Zeiss HUMPHREY 720i User Manual Download Page 109

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REV. B 02/03 PN 51680-1

HUMPHREY FIELD ANALYZER

II -

series

Test Reliability

Factors Affecting Reliability

6-2

Patient Compliance

6-2

Patient Fixation

6-3

Trial Lenses

6-3

Evaluating Reliability

6-4

Fixation Losses

6-4

False Positive Errors

6-4

False Negative Errors

6-6

Fluctuation Values

6-6

Visual field testing represents a team effort between the perimetrist and the

patient. Success, as measured by reliable test results, is best attained by

taking the necessary steps and precautions to help the patient take the test.

6.htp

3/14/03, 3:16 PM

Summary of Contents for HUMPHREY 720i

Page 1: ...HUMPHREY FIELD ANALYZER II i series USER S GUIDE Model 720i Model 740i Model 745i Model 750i...

Page 2: ...astPac and SITA are trademarks of Carl Zeiss Meditec Inc Hewlett Packard and LaserJet are registered trademarks of Hewlett Packard Corporation IBM is a registered trademark of the International Busine...

Page 3: ...Humphrey Field Analyzer II i series User s Manual Revision Control PART NUMBER REVISION TITLE RELEASE DATE 51680 1 B Humphrey Field Analyzer II i series 3 2003 User s Guide Models 720i 740i 745i 750i...

Page 4: ......

Page 5: ...g the Test Pattern and Test Eye 3 2 Entering Patient Data 3 8 Using Trial Lenses 3 19 Preparing the Patient 3 22 Test Parameters Strategies 4 1 Setting Test Parameters 4 2 Test Strategies 4 4 SITA Tes...

Page 6: ...6 6 Fluctuation Values 6 6 STATPAC Analysis Printing Results 7 1 Introduction to STATPAC Analysis 7 2 Threshold Test Printout Formats 7 4 SITA Printout Formats 7 21 Blue Yellow Printout Formats 7 23...

Page 7: ...ement 9 2 Patient Database Protection Procedures 9 3 Configuration Backup and Restore 9 5 How to Handle Database Failures 9 10 Merge Database 9 20 Cleanup Hard Disk Database 9 21 Practices with Multip...

Page 8: ...Pattern 11 48 Creating the SSA Aphakic Size IV Disability Test 11 57 Care Cleaning 12 1 General Use Principles 12 2 Cleaning the HFA II 12 2 Replacing Parts 12 4 Operating the Printrex Printer 12 10 T...

Page 9: ...most advanced automated perimeter available the Humphrey Field Analyzer II HFA II This introductory section covers general information about the HFA II including a brief discussion of visual fields a...

Page 10: ...tion is the ability to identify discrete forms letters numbers symbols and is commonly measured with the visual acuity test Resolution rapidly diminishes with increasing distance from the fovea and is...

Page 11: ...g of the normal field takes into account that visual sensitivity is not constant or equal throughout the range As previously stated vision is most acute at the fovea and decreases toward the periphery...

Page 12: ...he patient first detects the target threshold point Kinetic test results can only be reliably related to specific parts of the visual field if points are joined to form an isopter or ring of equal con...

Page 13: ...enerously shared their best ideas with Carl Zeiss Meditec With over 30 000 Humphrey Field Analyzers in use worldwide Carl Zeiss Meditec took on the challenge of improving the testing experience for th...

Page 14: ...is of visual field test results With STATPAC you can analyze test results at the time of examination store test results and analyze them at your convenience or recall previously stored tests to analyz...

Page 15: ...aze Tracking a patented high precision system which uses real time image analysis to verify the patient is looking at the fixation target and not looking around The gaze tracking device is unaffected...

Page 16: ...del number of your instrument on the rear panel of the HFA II or you may access this information via the i button located in the upper left hand corner of the screen see Section 2 The Information i Bu...

Page 17: ...ers on the HFA II Only authorized Carl Zeiss Meditec Service personnel should perform repairs on your instrument Installation safety The Humphrey Field Analyzer II is equipped with a three prong plug...

Page 18: ...ent operator must not attempt to touch the patient and a peripheral device at the same time while examining the patient Radio and TV interference The Humphrey Field Analyzer II has passed all domestic...

Page 19: ...FA II Disconnection procedures are the opposite of the sequence listed in this Section Whenever there is a question as to whether the HFA II is running properly or if there is any question about elect...

Page 20: ...rightness control Finger divot for opening rear panel Touch screen Hard drive Floppy drive Magneto Optical Drive Chin rest control Figure 1 4 The HFA II Side View Patient response button Figure 1 5 Th...

Page 21: ...ER II i series Forehead rest Trial lens holder Testing bowl Chin rest Table with mounted Printrex printer Table height switch Slider handle Optional instrument slider Caster Lock Figure 1 6 The HFA II...

Page 22: ...upply Refer to Section 12 Loading Paper 3 Turn on power to the table Turn on power to the Printrex printer 4 Turn on power to the HFA II 5 From the System Setup screen select PRINTREX See Section 2 Se...

Page 23: ...ound on the back of the HFA II See Figures 1 7 and 1 8 Use the VGA connection Surge protectors Carl Zeiss Meditec recommends the use of surge protectors or UPS Uninterruptable Power Supply systems to...

Page 24: ...FIELD ANALYZER II i series Figure 1 7 Rear View of the HFA II with panel removed Figure 1 8 Enlarged view of cable connections panel on rear of HFA II Network Mouse Keyboard Printer Data Transfer Aux...

Page 25: ...t on underside of table 3Connect power cord from back of HFA II to power outlet on underside of table 4Attach keyboard and glidepad or trackball mouse if desired Replace rear panel being careful to ru...

Page 26: ...1 18 INTRODUCTION INSTRUMENT SETUP REV B 02 03 PN 51680 1 HUMPHREY FIELD ANALYZER II i series...

Page 27: ...e HFA II It describes how to execute commands input information and customize the HFA II to suit your needs After reading Section 2 you will be familiar with command buttons and icons on the HFA II sc...

Page 28: ...nform you of a condition or alert you to a problem Printer is not connected or Off Line and Uninitialized Disk are examples of operator messages Multiple messages may appear stacked and overlapping in...

Page 29: ...ay enter or recall the patient s name date of birth I D number trial lens information and diagnostic data prior to testing Main Menu test buttons also automatically lead you to the Patient Data screen...

Page 30: ...and telephone number The Unit Configuration information may be printed by pressing the PRINT button To return to the previous screen touch CANCEL Figure 2 2 The Unit Configuration Screen Touch screen...

Page 31: ...Pop Up Window Drop down menus A drop down menu reveals settings for you to choose from You can easily identify a drop down menu by its characteristic arrow positioned within the command button The cu...

Page 32: ...stead use the TAB or SHIFT TAB keys to move the highlight around the screen The arrow keys are used to select the choice within the window as described below The PAGE DOWN key on the external keyboard...

Page 33: ...so experiment with your trackball to determine which button may be used If using a mouse only the left most button is active Other buttons do not function with the HFA II The trackball is used in con...

Page 34: ...items in a row can be selected at one time by holding down the trackball button dragging the cursor to highlight and check several items and then letting go of the button After dragging only the last...

Page 35: ...t This button accesses the results from the last right and left eye tests performed When the HFA II is first powered on this button appears ghosted It will remain inaccessible until a test has been ru...

Page 36: ...When Head Tracking is turned ON the instrument moves the chin rest during a test to keep the patient s eye centered behind the trial lens holder This action helps to reduce trial lens artifacts test p...

Page 37: ...at any printer used in a medical environment meets the appropriate medical directives and International Safety Standards VA Visual Acuity Format Select 20 20 Snellen 6 6 Metric or 1 0 Decimal as the v...

Page 38: ...erman Spanish French Italian Japanese Portuguese or Swedish Once a language has been selected the instrument will restart in order to change parameters If a foreign language is selected inadvertently...

Page 39: ...ully initial ized and the trial lens holder is in the Up position For additional information see Section 5 Head Tracking Accessing the vertex 1Start at the System Setup screen Select the Vertex Monito...

Page 40: ...enter either AM or PM with the time entry 4Select Date Format Choose MM DD YYYY DD MM YYYY or YYYY MM DD from the drop down menu Note MM Month DD Day and YYYY Year 5Select DATE ENTRY Input the correc...

Page 41: ...TRANSMIT ONLY press SERIAL TRANSMIT SETTINGS The Transmit RS 232 Setup screen will appear 4At the Transmit RS 232 screen select the Baud Rate Parity Data Bits and Stop Bits as required for transmissi...

Page 42: ...y is invalid an alert will be displayed Press PROCEED when all the addresses have been entered 3Make sure the network connections are secure and the proper addressing has been established at the other...

Page 43: ...t the System Setup model 750i only screen Select the Auto Pupil drop down menu 2Choose between ON and OFF Note Auto Pupil only works if Gaze Tracking has been initialized For information on Gaze Track...

Page 44: ...place 4Choose from any test type including SCREENING THRESHOLD SPECIALTY CUSTOM and KINETIC tests After selecting the same Test Library screens normally accessed through the Main Menu screen will app...

Page 45: ...uration Backup and Restore for an example of a Main Menu screen displaying personalized test buttons with additional text Note The Humphrey test pattern name Central 24 2 C 40 Screening etc cannot be...

Page 46: ...mpted 5Deleted buttons will be marked Test Position Now Blank on the Alter Main Menu screen They will appear blank on the Main Menu screen Note Any test removed from the Main Menu screen can still be...

Page 47: ...te and verify software function Press the button to change between ON and OFF If a test runs while simulation is ON sample threshold data will appear on the screen in a matter of seconds Turn simulati...

Page 48: ...s not take the visual field test Pressing the CLEANUP HARD DISK DATABASE button will remove all the unassociated data from the database See Section 9 Cleanup Hard Disk Database to utilize this feature...

Page 49: ...When pressing the HELP icon the following Help Topics screen is displayed Figure 2 9 Help Topics Screen Make your selection from a list of 12 topics Topics that require more than one screen of inform...

Page 50: ...en you press DONE on the Help Topics screen Consult the User s Guide for additional information on the subject of interest The following is the list of on screen Help topics and the main areas within...

Page 51: ...section covers each step in detail so that you can perform them all competently and efficiently Also included a complete listing of available tests and their applications the proper use of trial lens...

Page 52: ...atient data as described in Entering Patient Data later in this section Figure 3 1 Selecting Tests from the Main Menu Screen Using test buttons Using Test Buttons is the most convenient method of sele...

Page 53: ...n Menu screen 3Refer to Entering Patient Data later in this section to continue test setup Using the test library Use this method to select a test that does not appear on one of the test buttons 1From...

Page 54: ...ch pattern in order to assist the professional in choosing the one best suited to the patient s needs Appendix E contains diagrams of the available test patterns Screening tests serve an important cli...

Page 55: ...grees 40 points General screening Central 64 30 degrees 64 points General glaucoma neurological Central 76 30 degrees 76 points General glaucoma neurological Central 80 30 degrees 80 points General Sc...

Page 56: ...a Nasal Step 50 degrees 14 points Glaucoma Macula 5 degrees 16 points Macula 2 degree spacing not available on Model 720i Table 3 3 The Specialty Test Library Specialty Test Extent of Visual Field App...

Page 57: ...test all 16 points twice if the Fluctuation feature is turned ON If it is turned OFF the Macula Threshold Test will determine the threshold once With Fluctuation OFF the instrument will determine the...

Page 58: ...is and saving the test to the hard drive or to floppy disk The patient data section is divided into two main screens Patient Data 1 displays demographic and trial lens information Patient Data 2 displ...

Page 59: ...does not prevent the HFA II from recognizing these names as identical For example these entries are all handled the same way Kennedy Robin is the same as Kennedy Robin or Kennedy Robin 5Choose DATE OF...

Page 60: ...Inputting trial lens data Many people with a refractive error will need to use trial lenses in order to accurately perform central field tests or the central portion of Full Field tests The HFA II wi...

Page 61: ...t at this screen by pressing DATE OF BIRTH The trial lens cannot be calculated without this patient information 4Input the patient s distance sphere correction Always remember to enter a plus or minus...

Page 62: ...Select CALCULATE TRIAL LENS 8The trial lens data is automatically entered on the Patient Data 1 screen FOR MANUAL TRIAL LENS INPUT 1 From the Patient Data 1 screen select TRIAL LENS 2 Choose MANUAL TR...

Page 63: ...Note Clearing Patient Data only deletes information from the screen It does not delete information from the database if the patient data was previously saved Recalling patient data When patients retur...

Page 64: ...One Down Arrow scrolls down one patient The Page Down Arrow scrolls down a full screen of patients To quickly locate a patient s test access the PATIENT SEARCH button below the File Directory box Ent...

Page 65: ...o move to the next data field The values entered for visual acuity and pupil diameter will also appear on the printout with the test results Figure 3 2 The Patient Data 2 Screen Inputting diagnostic a...

Page 66: ...characters 0 14 5 decimal point counts as one character from the pop up keypad then ENTER 3Repeat Steps 1 2 for the other eye The pupil diameter value will also appear on the printout Note If the Auto...

Page 67: ...e pop up menu Press ENTER 6Repeat Steps 4 5 for the other eye The visual acuity measurement will also appear on the printout Inputting intraocular pressure 1From the Patient Data 2 screen choose IOP i...

Page 68: ...4Repeat Steps 1 3 to enter a VERTICAL C D When you have finished entering data on the Patient Data 2 screen and are ready to test choose PROCEED This takes you to the test screen where you can set te...

Page 69: ...wer to be used Table 3 4 Spherical Trial Lens Correction for Central Visual Field Testing Distance Distance Distance Distance Distance Distance Distance Distance Distance Rx Greater Rx Equals Rx is Rx...

Page 70: ...39 row The signifies that this patient does not need a trial lens correction as the bowl will be in focus with no correction whatsoever Example E For the 63 year old patient with a distance refraction...

Page 71: ...ce the cylinder lens in the slot farthest away from the patient and align the axis 3Place the sphere lens in the slot closest to the patient Note Use only the narrow rimmed type of trial lenses The wi...

Page 72: ...Blink normally so your eye does not get dry A good time to blink is whenever you push the response button Note Instructions for Kinetic Testing differ slightly See Section 11 for details Occluding th...

Page 73: ...djust the table height to be as high as necessary to keep the patient sitting comfortably erect rather than bent over or leaning forward If available pull the slider handle out to release the slider S...

Page 74: ...s necessary When the patient has been properly instructed and comfortably positioned you are ready to begin testing No trial lenses for Esterman This test is used to assess the level of a patient s fu...

Page 75: ...e to modify the parameters for specific patients Test Parameters and Strategies 4 The second portion of this section discusses Blue Yellow perimetry or SWAP Short Wavelength Automated Perimetry and SI...

Page 76: ...ion target which has four settings central small diamond large diamond and bottom LED The central fixation light is the default target It is suitable for most patients but you can change it if the pat...

Page 77: ...d setting It is distinguished from the others by the appearance of an asterisk on the parameter button If you want to return all settings to the standard mode select RESET TO STANDARD Note For the pur...

Page 78: ...ing is done with an intensity 6 dB brighter than the ex pected threshold missed points are known to be at least 6 dB deep Three Zone Same as Two Zone except each missed point is measured again at maxi...

Page 79: ...ion Refer to Section 5 Gaze Tracking for more information Blind Spot The test program periodically presents a stimulus Heijl Krakau in the patient s blind spot If the patient is fixating well he or sh...

Page 80: ...ed values for 4 primary points are determined The cal culated threshold at the hill s peak or fovea is called the central reference level This value ap pears on the test screen and the printout Single...

Page 81: ...FastPac testing strategy without compromising test reproducibility See Ap pendix G for more details Full Threshold A bracketing technique is used to threshold each test point An initial stimulus is pr...

Page 82: ...isual field which require a different fixation light than the Cen tral target in order to expand the superior field range The target used is the Bottom LED of the Large Diamond Fixation Gaze Blind Spo...

Page 83: ...rameters Blue Same as Screening Parameters Fluctuation On Threshold values for ten 10 pre selected points are retested to determine the variability of the patient s responses Threshold values for the...

Page 84: ...a thresholding method which collects twice as much information per unit time as FastPac SITA Fast cuts the test time in half relative to FastPac without compromising test reproducibility Tests availab...

Page 85: ...he peak sensitivity of blue cones Thus Blue Yellow perimetry tests the blue cones and their ganglion cell connections There are at least two theories as to why Blue Yellow perimetry provides earlier d...

Page 86: ...acts advanced White on White field loss The procedure for testing with Blue Yellow perimetry is identical to the procedure for testing with white on white One important additional step is to explain t...

Page 87: ...Press OK on the reminder message after you have extended the visor Figure 4 3 Extending the Visor Away From the Patient 3Follow the standard testing procedures normally used for white on white perime...

Page 88: ...first test of the day to see that the visor is placed in the retracted position The visor reminder is not displayed at start up 2 When beginning the first Blue Yellow test of the day the HFA II will...

Page 89: ...y identify actual normals as being normal Humphrey s STATPAC for Blue Yellow was designed to provide the same level of specificity for SWAP as currently enjoyed in standard white on white Humphrey per...

Page 90: ...Note STATPAC analysis is not available for tests using either the red or blue stimulus 1 From the start test screen select CHANGE PARAMETERS 2 Open the stimulus color drop down menu and choose either...

Page 91: ...y shifts to monitoring the patient s progress to ensure a successful outcome and reliable results This section explores your options available during the test It helps to answer the following question...

Page 92: ...ion monitoring system models 740i 745i and 750i Refer to Supplemental Testing in this section for additional information DISPLAY STATUS This choice presents a display of all current test parameter set...

Page 93: ...tency press END DEMO to begin the actual test If END DEMO is not pressed the pop up window will disappear after one minute The test will immediately begin Note The Demo test runs only after the Foveal...

Page 94: ...re 5 2 The Video Eye Monitor Gaze Tracking Gaze Tracking is a unique fixation tracking system that records whether the patient is model 740i 750i properly fixating while stimuli are being presented A...

Page 95: ...displays an example of good fixation An example of poor fixation is shown in Figure 5 4 Figure 5 3 Example of a Gaze Graph Good Fixation with a Large Number of Blinks Figure 5 4 Example of a Gaze Gra...

Page 96: ...tex Monitor for instructions on turning on the Vertex Monitor The vertex reading is based on the initial patient position in front of the trial lens To set 1 Make sure that the trial lens holder is in...

Page 97: ...e initiated 2The small diamond fixation target will light up below the central fixation target Instruct the patient to look at the center of the lower fixation lights in the center of the diamond 3Tel...

Page 98: ...ddle of the pupil as shown 4Instruct the patient to look at the fixation target and try not to blink Ask the patient to open his or her eyes wide for about a count of twenty or until you say the proce...

Page 99: ...press CONTINUE to begin testing Note It is important that the patient maintain the same position during gaze initializa tion and testing 7If Gaze Track Initialization is unsuccessful press RE TRY TO...

Page 100: ...our request DISPLAY STATUS This feature is available to you during testing so that you can verify the current parameter settings FIXATION This button gives you the option of changing the fixation moni...

Page 101: ...o the previous settings for testing the next eye A ghosted button indicates either that choice is not available or the feature is not an option with your model HFA II After one of the following option...

Page 102: ...Gaze Tracking and Blind Spot Monitoring if pressed In this case you can monitor the patient s fixation by watching the video eye monitor for the duration of the test Both Head Tracking and Vertex Moni...

Page 103: ...e initialization process Always monitor and encourage the patient Early correction of any poor compliance will help to increase the reliability of the visual field results Gaze Tracking may not work w...

Page 104: ...to Save this Test The test complete screen The following buttons are displayed on the Test Complete screen SAVE ON DISK You may save the test result with this button It allows you to save a test more...

Page 105: ...ing Test which prints each test on a separate page and Both Eyes or OU which condenses the two test results to one page There are several threshold print formats Single Field Analysis Overview Change...

Page 106: ...ttons or SHOW TEST LIBRARY 2Select a test eye Choose RIGHT or LEFT to proceed or CANCEL to return to the Main Menu screen 3Enter patient data A patient name and date of birth is required for saving to...

Page 107: ...MENU Icon on the HFA II 6Press START 7If the Foveal Threshold parameter is turned on it will activate now Refer to the earlier discussion in this section on Foveal Threshold 8If the fixation monitori...

Page 108: ...2 Press SPECIALTY TESTS 3 Choose either ESTERMAN MONOCULAR or ESTERMAN BINOCULAR When performing the Binocular test the following set of instructions will be displayed on the screen when you press ST...

Page 109: ...Evaluating Reliability 6 4 Fixation Losses 6 4 False Positive Errors 6 4 False Negative Errors 6 6 Fluctuation Values 6 6 Visual field testing represents a team effort between the perimetrist and the...

Page 110: ...ly Use an adjustable office chair with or without arms to accommodate tall and short patients The perimeter and table will accommodate a full size office chair with arms or a wheelchair Be sure to adj...

Page 111: ...em Encourage them to take breaks and pause the test by holding down on the response button if fatigue is a problem Observe the patient by means of the video eye monitor Encourage correct behavior Reco...

Page 112: ...ation monitor or in conjunction with the Heijl Krakau blind spot mode described above If a patient has demonstrated both good fixation and test taking reliability in the past you may prefer using just...

Page 113: ...cates a very unreliable patient A high number of fixation losses false positive errors and false negative errors have been recorded Poor fixation is indicated by the gaze graph Also note the number of...

Page 114: ...ues The fluctuation value is an option that can be used with the Full Threshold and FastPac strategies Fluctuation is not measured when using either of the SITA strategies When fluctuation is turned o...

Page 115: ...i series Figure 6 2 SITA Printout Showing Good Reliability Note On SITA printouts false positive and false negative values are recorded as percent ages Also note the absence of Fluctuation SF and the...

Page 116: ...6 8 TEST RELIABILITY REV B 02 03 PN 51680 1 HUMPHREY FIELD ANALYZER II i series...

Page 117: ...s current visual field status as well as changes in sensitivity over time Coupled with Humphrey s STATPAC software HFA II printouts provide access to sophisticated statistical analysis of visual fiel...

Page 118: ...he RECALL PATIENT DATA button as described in Section 3 Recalling Patient Data to reduce patient data errors 2 Save the test results to disk hard drive and or floppy disk These steps will avoid errors...

Page 119: ...hange Probability Analysis and Glaucoma Hemifield Test GHT are not available with tests using the FastPac strategy Glaucoma Change Probability Analysis is also not available for the SITA tests For Cen...

Page 120: ...negative and false positive errors are printed as a percentage such as 25 The visual fields used in developing STATPAC for the Full Threshold and FastPac strategies were those of subjects whose reliab...

Page 121: ...lysis is based on the results of a single central threshold test The top printout of the page presents patient data test reliability indices and the test results in the grayscale and numeric formats T...

Page 122: ...field loss occurring in a pattern typical of that seen in glaucoma It also indicates when test results show that the overall field is severely depressed or shows suspiciously high sensitivity The mes...

Page 123: ...ion caused for example by cataracts or small pupils Similarly STATPAC corrects for any patients who are supernormal adjusting the expected hill of vision upward by the appropriate amount and thereby m...

Page 124: ...oss CPSD depends on both PSD and SF and is therefore not available unless the fluctuation option remains on during testing The overview printout The Overview printout can show the results of up to six...

Page 125: ...STATPAC ANALYSIS PRINTING RESULTS 7 9 REV B 02 03 PN 51680 1 HUMPHREY FIELD ANALYZER II i series Probability Symbols Reliability Indices Global Indices Figure 7 3 The Overview Printout...

Page 126: ...xtreme values and the 15th and 85th percentile deviations The summary is made up of the differences at each tested point between the patient s measured field and the STATPAC age corrected reference fi...

Page 127: ...ATPAC ANALYSIS PRINTING RESULTS 7 11 REV B 02 03 PN 51680 1 HUMPHREY FIELD ANALYZER II i series Figure 7 5 The Change Analysis Printout Box Plot or Histogram Summary of Global Indices Linear Regressio...

Page 128: ...SF Short term Fluctuation and CPSD Corrected Pattern Standard Deviation for the tests shown in the box plot The summary results are presented chronologically and in the same order as in the box plots...

Page 129: ...the more easily the small changes in MD are detected A low number of observations involves a higher risk that the analysis will fail to detect a deterioration over time This is the reason that STATPAC...

Page 130: ...Figure 7 6 A Mixed Change Analysis Printout with SITA Tests Included Note The normal box plot and the p values for the global indices are not displayed In addition no linear regression information is...

Page 131: ...l use the average of the first two selected tests as a baseline and all subsequent tests as follow up There are two exceptions 1 If only two tests are selected the first will be used as the baseline a...

Page 132: ...iangle identifies improvement significant at the 5 level Points not changing by a significant amount are indicated by a single solid dot An X signifies that the program was unable to determine whether...

Page 133: ...STATPAC ANALYSIS PRINTING RESULTS 7 17 REV B 02 03 PN 51680 1 HUMPHREY FIELD ANALYZER II i series Figure 7 7 The Glaucoma Change Probability Baseline...

Page 134: ...7 18 STATPAC ANALYSIS PRINTING RESULTS REV B 02 03 PN 51680 1 HUMPHREY FIELD ANALYZER II i series Figure 7 8 The Glaucoma Change Probability Follow Up...

Page 135: ...ss than 5 of the normal population deviates from the norm by a certain amount means just that and nothing more It does not mean that there is only a 5 chance that the result is normal The positive pre...

Page 136: ...ers which appear outside each quadrant of the numeric grid are called quad totals and represent a summation of the threshold values determined in each quadrant These numbers which even in normals will...

Page 137: ...ern Standard Deviation PSD No numerical values for Short term Fluctuation SF will be displayed and because no SF value is determined no Corrected Pattern Standard Deviation CPSD value will be displaye...

Page 138: ...7 22 STATPAC ANALYSIS PRINTING RESULTS REV B 02 03 PN 51680 1 HUMPHREY FIELD ANALYZER II i series Figure 7 11 An Example of a Single Field Analysis Printout for SITA...

Page 139: ...important to pay most attention to the STATPAC probability plots rather than the traditional grayscale If interpreted using standard White on White perimetry rules the grayscale may lead to misinterpr...

Page 140: ...view printout The Blue Yellow Overview is identified at the top of the printout Any Blue Yellow test run with the FastPac strategy will display FastPac in place of the GHT results See Figure 7 13 for...

Page 141: ...rint a single field 1 Make sure the patient s name and date of birth are entered correctly then save the analysis of current test results on disk results 2 From the Test Complete screen select the PRI...

Page 142: ...see Example 7 14 The printout of both eyes is also known as the O U Printout The Quantify Defects Full Field screening test is printed on two pages The first page consists of the Full Field printout T...

Page 143: ...test you can print the results for the one eye immediately or you can wait until the second eye has been tested and print both results on one page 1 Make any additions or corrections to patient data 2...

Page 144: ...eye on one page 3 Two or more tests for Starts printing immediately Threshold tests are different patients printed using the Single Field Analysis format where appropriate otherwise the printout is t...

Page 145: ...results Printing from view test You can print any file you have retrieved through the View Test feature 1 From the Main Menu screen select the FILE FUNCTIONS icon 2 Select VIEW TEST 3 Designate the S...

Page 146: ...scale Shades Found on HFA II Printouts and Their Numerical Equivalents in Apostilbs ASB and Decibels dB REMOTE PRINTER ACCESS It is possible to link the HFA II to a compatible printer without using ca...

Page 147: ...all previously stored tests on either an internal hard disk a removable floppy disk or both This packet of stored information is called a file and for each right eye and each left eye tested there is...

Page 148: ...retrieved test only or whether they will change all stored tests for that patient You may also change an individual test date with this feature PRINT DIRECTORY allows you to print a directory listing...

Page 149: ...is required to connect the instruments You can transfer approximately 1 440 tests per hour at a 9600 baud rate See Transferring Tests Between the HFA I and HFA II or HFA II and II i series in this sec...

Page 150: ...esignate the source of the tests the location on which they are currently stored The primary choices are HARD DRIVE or FLOPPY When transferring tests HFA SERIAL CABLE will also appear on the Source li...

Page 151: ...this patient will be displayed in the File Directory Each test will be listed with Eye Test Type Date and Time of test see Figure 8 3 and 8 4 below Figure 8 3 The File Directory Sorted by Patient Figu...

Page 152: ...an can be displayed on one screen In fact no more than seven tests can be shown at one time however you can easily move through the directory with the aid of a few command buttons Figure 8 5 The File...

Page 153: ...se the keypad to enter the desired date In both cases the search is limited to only those tests meeting the search criteria in Disk Options SELECT ALL selects and puts a check mark next to every test...

Page 154: ...floppy disk on which you store all tests for patients with last names starting with the letter A This disk is now full To create room you wish to move all the tests with last names starting with A to...

Page 155: ...searched Of course you may select Left and Threshold at the same time if you only want to search for threshold tests performed on left eyes 2After the desired range s has been specified press PROCEED...

Page 156: ...hould enter a returning patient s data via the RECALL PATIENT DATA button The MERGE PATIENTS feature is available during patient data recall to help clear up extra patient entries See Section 3 Recall...

Page 157: ...creen Test results can be printed by pressing the PRINT FUNCTIONS icon Patient data is viewed by pressing the PATIENT DATA button Patient data can also be changed for the test being viewed on the same...

Page 158: ...from the file directory screen Press PROCEED You are only permitted to change name date of birth and ID number when ALL TESTS is selected To change patient data on a single test for a given patient s...

Page 159: ...rce disk the disk you want to copy in the floppy drive 3 Select OK to proceed or CANCEL to return to the File Functions menu If you select OK the next screen displays Reading Source Disk 4 When instru...

Page 160: ...only High Density HD 1 44 MB disks Regular density 720 K and Super High Density 2 88 MB disks will not work with the HFA II To compare test results The Compare feature analyzes the results of two thr...

Page 161: ...nation disks and Directory Order then PROCEED 3 Select the test s you want to move or SELECT ALL to move all tests saved on the Source 4 Select PROCEED to begin moving tests 5 The selected tests will...

Page 162: ...t transfer Compared Averaged or Merged tests will not transfer Tests originally acquired on the HFA II will not transfer The Macula test Only the first two threshold values at each point will be displ...

Page 163: ...LE FUNCTIONS icon on the right of the screen 8 Select TRANSFER TESTS 9 Select HFA SERIAL CABLE as the Source 10 Choose HARD DRIVE or FLOPPY as the Destination then press PROCEED ON THE HFA I 11 From t...

Page 164: ...appear Press PROCEED 7 Press the FILE FUNCTIONS icon on the right of the screen 8 Select TRANSFER TESTS 9 Select HFA SERIAL CABLE as the Source 10 Choose HARD DRIVE or FLOPPY as the Destination then p...

Page 165: ...n is unavailable Should the HFA II be unable to access the hard drive NA will be displayed If you back up your hard disk to floppy disks see Section 9 and insert a backup floppy disk the Database Stat...

Page 166: ...ou press SAVE ON DISK the results will be stored on both the hard disk and floppy disk 2 Organize floppy disks chronologically by leaving the same floppy disk in the drive until it is full and then re...

Page 167: ...history it is imperative that you take steps to safeguard the integrity of the data by creating backup copies of all tests In addition to patient data you can protect Custom test patterns Main Menu bu...

Page 168: ...n Section 8 File Functions Database integrity functions Functions associated with preserving database integrity can be found on both the File Functions and Additional Setup Menus These functions are o...

Page 169: ...ia Always use formatted disks for these procedures Information on the proper care and handling of storage media is covered at the end of this section as well as in Section 12 Database protection Your...

Page 170: ...OPPY Carl Zeiss Meditec does not recommend that you adopt this as your sole backup procedure If while restoring data one floppy disk in the series is damaged the entire set becomes unusable Figure 9 2...

Page 171: ...backup however is not instrument specific Notes 1 You may not backup or restore an individual Custom test pattern All Custom test patterns must be backed up and restored as a group 2 Configuration Bac...

Page 172: ...i series 3Press BACKUP CONFIGURATION 4A pop up window will display the message Configuration Backup will format a floppy disk and save the current setup including the Main Menu definitions Press CONT...

Page 173: ...atted disk your HFA II will format it again to ensure the integrity of the disk 7A pop up window will display the message Floppy Successfully Formatted Press OK to begin the backup 8When the Configura...

Page 174: ...s among all your instruments you may use a single configuration backup disk to restore settings to all the other units Each instrument must support the same product features Caution Any new Custom tes...

Page 175: ...he appropriate Configuration Backup floppy disk Press CONTINUE The Main Menu and Custom test configurations will be restored 5When restoration is complete press OK After a 15 second pause your HFA II...

Page 176: ...file functions The HFA II is equipped to detect a database failure and attempt to recover any potentially lost information In the event of failure a message appears on the screen that includes an appr...

Page 177: ...il BACKUP RESTORE Caution If a hard drive database failure occurs while attempting to save test results do not recycle power at this time This action will cause you to lose the results from the test j...

Page 178: ...ecovery at a later time see FLOPPY ONLY option To help you decide a screen message alerts you to the approximate recovery time Note If you were to choose FIX NOW and the attempt failed you could alway...

Page 179: ...ed while saving test results or patient data the HFA II will automatically save the data to the floppy disk If failure occurred while performing file functions go to the Rebuild Hard Disk Database opt...

Page 180: ...ction that involves the hard drive the previous two screens will be displayed Continue to choose FLOPPY ONLY and YES to save data to the floppy disk while patients are present 4When you have time to a...

Page 181: ...d drive failure In the event the FIX NOW recovery attempts have failed use the rebuild utility REBUILD HARD REBUILD HARD DISK DISK DATABASE Typically a lengthy process rebuilding the database frequent...

Page 182: ...REV B 02 03 PN 51680 1 HUMPHREY FIELD ANALYZER II i series 2Select ADDITIONAL SETUP 3Select REBUILD HARD DISK DATABASE 4The HFA II may attempt a brief recovery process before launching into the more...

Page 183: ...NCEL the pop up window closes and the Additional Setup screen returns 6While the rebuild utility is running the screen displays a user message 7If the utility successfully rebuilds the database the sc...

Page 184: ...HFA II to its previous condition Use the Floppy Only method of data storage until you find a more convenient time to deal with the failed database When time permits you will need to restore the datab...

Page 185: ...at the File Functions screen Select BACKUP RESTORE 2 Choose FLOPPY as the Source Press PROCEED 3 You are given the option of replacing the database or merging the database Press REPLACE 4 Insert the f...

Page 186: ...isk or backup set of floppy disks No tests are deleted from the hard drive Merging two databases can be a lengthy process If your backup source contains 10 000 patient tests it may take up to 75 minut...

Page 187: ...data with no associated test data This can occur when patient data is entered but the test is not saved This can also happen when patient data is entered early in the day for convenience but the pati...

Page 188: ...Source to FLOPPY and the Destination to HARD DRIVE C Select PROCEED D Press SELECT ALL E Choose PROCEED 4 When the copying is completed return the floppy disk to its original HFA II Note If there are...

Page 189: ...g test pattern the user may create a unique static visual field test to apply to any diagnostic situation This chapter discusses how you can create your own Custom tests Once created these tests may b...

Page 190: ...ces Do not attempt to design a Custom test for the left eye Note You may begin testing with either the right or left eye Custom tests must be created by the user Once created they may be saved and the...

Page 191: ...e user to design a Custom Screening visual field test DELETE STATIC TEST This button allows the user to remove a previously created Custom static test pattern from the Custom Tests screen If chosen th...

Page 192: ...s to select the desired POINT PATTERN FIELD SIZE and POINT SPACING Press SELECTION COMPLETE when done Point Pattern This allows the user to decide between a Single Point X Y or a Grid point pattern X...

Page 193: ...degrees Each field size is independent of the other two They may not be combined The field size may not be changed once set Point Spacing This option allows the user to determine the spacing in degree...

Page 194: ...eye only When the left eye is tested the HFA II will flip the test pattern to accommodate for the mirrored physiological differences Do not attempt to design a left eye Custom test 1If you chose the...

Page 195: ...The entered point s X Y coordinate value is displayed in the upper right hand portion of the screen 5To input an additional point repeat steps 1 through 4 Your next point will also appear on the scre...

Page 196: ...your selection Change the point spacing either by pressing CHANGE OPTIONS and selecting a different spacing option or by placing the point in a different location For a Grid points entry you must inpu...

Page 197: ...l square not a point The previously entered Grid will turn from squares to points This is to make the most recently programmed points more noticeable on the Custom screen This will not affect the size...

Page 198: ...ints however Grid points can be added to a test with Single Points just as easily Note If Grids or Single Points overlap have the same X Y coordinates the overlapping points will still only be tested...

Page 199: ...TING 10 11 REV B 02 03 PN 51680 1 HUMPHREY FIELD ANALYZER II i series 4Press ADD ENTRY 5Input Single Points as described previously in Adding Single Points Figure 10 2 An Example of a Point and Grid C...

Page 200: ...1From the Custom screen press ERASE LAST ENTRY The last Single Point or Grid you have entered will automatically be removed from the test field No warning will be issued before deleting the last entr...

Page 201: ...TION COMPLETE If you are creating a Custom Screening test the Screening Parameter Setup screen will appear Note SITA Standard and SITA Fast are not available for use with Custom tests 4Name the comple...

Page 202: ...lso be printed as part of the title on the printouts 6Custom test buttons are automatically added down the first column of the Custom Tests screen When five tests have been added the next test buttons...

Page 203: ...USTOM TESTING 10 15 REV B 02 03 PN 51680 1 HUMPHREY FIELD ANALYZER II i series 1Press the SYSTEM SETUP icon from the Main Menu screen 2Choose ADDITIONAL SETUP 3Select CUSTOM TEST DELETING CUSTOM TESTS...

Page 204: ...he Custom screen will appear Select the button that represents the test you want to remove 6 A pop up window will verify that you wish to delete this test Press DELETE if this is the test you intend t...

Page 205: ...ly exception is that Custom tests cannot be used with the SITA Standard or SITA Fast testing algorithms When Custom test patterns are created they are stored for future use on the Custom Tests screen...

Page 206: ...will be ghosted if no Custom tests have been created See Creating Custom Tests earlier in this section for details 3The Custom Tests screen will appear Select the desired Custom test Proceed with tes...

Page 207: ...test except when points exist in both the central and peripheral visual field When a Custom visual field is larger than 30 degrees and the Quantified Defects strategy is being used an additional Cent...

Page 208: ...10 20 CUSTOM TESTING REV B 02 03 PN 51680 1 HUMPHREY FIELD ANALYZER II i series...

Page 209: ...Custom Scan Pre set testing sequences are available for automatic or step by step procedures Scotoma mapping blind spot mapping and static point display are available for investigation of small areas...

Page 210: ...user to activate the stimulus Step by Step mode Currently these pre programmed test sequences are limited to one isopter III 4 E Custom Kinetic patterns may be created by the user and stored for repea...

Page 211: ...refer to each step as needed or read the following pages as a tutorial 1From the Main Menu screen select SHOW TEST LIBRARY Note Any KINETIC button may be placed on the Main Menu screen via the Alter...

Page 212: ...Choose either RIGHT or LEFT 5 Input the appropriate patient data The patient name and date of birth must be entered before saving at the end of the test You may use the RECALL PATIENT DATA button if t...

Page 213: ...Kinetic testing will begin in the peripheral field at approximately 75 nasally and temporally or 55 in the superior and inferior fields Each Kinetic test can have up to ten 10 sets of parameters that...

Page 214: ...dB Stimulus Intensity Modifier This drop down menu lists the letters corresponding to the second fine Goldmann intensity filter which also helps to determine the intensity of the stimulus The values...

Page 215: ...a chosen pattern will be tested in random order The chosen meridian pattern is indicated by the highlighted number in the center of the button The example in the left hand margin shows that the 8 mer...

Page 216: ...ving the stimulus toward fixation and into the patient s field of vision If the patient does not respond by the time the stimulus reaches the central fixation point the light will be turned off The in...

Page 217: ...o use a cursor to point at the meridian to test The other method involves using the keypad and entering the meridian along which to start the stimulus The present screen is in the Cursor mode To switc...

Page 218: ...ackball to locate the starting position This method only selects the meridian it does not locate the starting position away from fixation the radius The starting position is fixed by whether the Full...

Page 219: ...RETURN ENTER key can also be used to start the test Note Meridians are positive whole numbers between 0 and 359 3Prepare the patient for the test Explain that the light will not be seen for a short ti...

Page 220: ...nother meridian repeat steps 1 through 6 Continue to repeat the steps until all desired meridians for that particular isopter have been mapped 8To create a different isopter first set the parameters a...

Page 221: ...removed from the test No warning will be issued before deleting the last entry 2Subsequent selections of the DELETE LAST POINT button will erase the next previous entry Note The DELETE LAST POINT but...

Page 222: ...side of midlines Speed 2 degrees per second Size Goldmann III4e Total Number of Points per Isopter 15 Meridians Tested 5 30 60 85 95 120 150 175 185 210 240 265 275 300 330 High Res 15 15 degree steps...

Page 223: ...mpletion of the test The HFA II will automatically select the next meridian to test start the stimulus and record at which point the patient pressed the response button It will continue until all prog...

Page 224: ...The meridian to be tested is indicated on the screen 6The stimulus will light but will not move for a short period of time You will then see a small diamond begin to move across the screen and the STO...

Page 225: ...missed point You will also be given the option of using the trial lens holder at this point You do not need to use it 1The test may be paused by pressing the STOP STIMULUS button 2Choose the action yo...

Page 226: ...he test is paused while the HFA II changes the parameters for the new isopter The new isopter begins testing when the announcement is removed from the screen 1At the completion of the automatic testin...

Page 227: ...opportunity to retest a point prior to testing the next meridian or to advise the patient during the test You control when each point is to be tested Starting each stimulus by pressing the Enter key...

Page 228: ...timulus will light but not move for a short period of time You will then see a diamond representing the stimulus begin to move across the screen Note The ZOOM TO 30 EXPAND TO 80 button may be used to...

Page 229: ...N to start the stimulus 3A second capital letter will be displayed on the retested meridian Note When isopter lines are drawn the line will connect to the second stimulus mark When the last point of a...

Page 230: ...al Kinetic screen configuration is displayed This allows you to add an additional isopter or test a selected meridian It also allows access to the Special Mapping options Special Mapping is described...

Page 231: ...EV B 02 03 PN 51680 1 HUMPHREY FIELD ANALYZER II i series KINETIC TESTING 3Press SAVE TEST 4Confirm the patient data is correct before saving Isopter lines may be added to indicate the isopters on the...

Page 232: ...yzer will calculate an Efficiency Score and display this value on the printout The exact values of the 8 points should also be printed for your records and are included in the Numeric Values printout...

Page 233: ...est SPECIAL MAPPING can be activated to allow looking for isolated scotomas This extra testing will not change the calculated Efficiency Score The next part of this section goes into greater detail ab...

Page 234: ...es 6When the test is complete save the test results Press the Print Functions icon to complete the disability test procedure Choose both the Full Field and the Numerical Values printouts for complete...

Page 235: ...in the Automatic mode Special Mapping provides the user with a number of additional testing options which are described on the following pages Scotoma Mapping Blind Spot Map Static Points Custom Scan...

Page 236: ...of times to outline the boundaries of the scotoma 1From the Special Mapping screen press SCOTOMA MAP 2The Kinetic Parameter Setup screen will be displayed Use the drop down menus to make changes See...

Page 237: ...toma map is to be placed Press ENTER 4Enter the radius the distance in degrees from the fixation point where the center of the scotoma map is to be placed 5Prepare the patient for the test Explain tha...

Page 238: ...s chosen The user cannot initiate each test stimulus individually When the patient presses the response button the HFA II will switch to the next meridian and immediately start testing 7During the tes...

Page 239: ...tested Starting at this center point the stimulus will move out toward the periphery in each of the directions shown on the Meridian Pattern button It stops when the patient pushes the response button...

Page 240: ...individually When the patient presses the response button the HFA II will switch to the next meridian and immediately start testing 5During the test a small diamond moves across the video display It d...

Page 241: ...lect STATIC POINTS from the Special Mapping Screen 2For ease of use set the HFA II for cursor use Press USE CURSOR if in keypad mode Move the cursor to the area at which you wish to test In this examp...

Page 242: ...s Not Seen will briefly be displayed if the patient does not see the stimulus Additional static points may be checked Only the most recent point seen will be displayed Note All static points tested bo...

Page 243: ...llowing pages Selecting the Start and End points with the Keypad is available but involves the entering of two coordinates Meridian and Radius for each point and therefore takes more time 1From the Sp...

Page 244: ...en 5Move the cursor to the area where you wish the test point to run towards the End Point 6When you have located that position press SELECT END POINT The stimulus will begin moving when SELECT END PO...

Page 245: ...points for each particular isopter are determined After all desired points have been mapped press END CUSTOM SCAN to return to the Kinetic Test screen 8If all of the desired stimuli from the differen...

Page 246: ...llowing options SAVE TEST Pressing this button will save the current Kinetic test to the hard disk and floppy disk This information may be viewed or printed in the future SHOW ALTERNATE ISOPTERS When...

Page 247: ...wants to see the central 30 of an 80 field in detail Pressing this button does not eliminate the points outside of the central 30 These points may be viewed again by pressing EXPAND TO 80 TEST OTHER...

Page 248: ...utton on the Main Menu screen RECALL LAST TEST will automatically take the user to the View Test screen for the Kinetic test if the Kinetic test was the last test performed on the instrument To view a...

Page 249: ...es KINETIC TESTING 4Input the patient name Press ENTER 5Select the Kinetic test you want to view The selected test will be highlighted Kinetic tests are designated Kinetic in the Directory Press PROCE...

Page 250: ...Test ADD ISOPTER LINES This option allows you to connect the same isopter results the same uppercase letters by lines SHOW ALTERNATE ISOPTERS This option allows you to choose which isopter s to displa...

Page 251: ...is also available All isopters are printed Full Field Printout The Kinetic Full Field printout shows all isopters and scotomas mapped out to the peripheral 80 degrees Some points may be hidden if they...

Page 252: ...ER II i series Central Printout The Kinetic Central printout documents the central 30 degrees of the visual field Figure 11 4 shows the central 30 degrees of the Full Field printout in Figure 11 3 Fig...

Page 253: ...shows the locations of the starting and ending points of all stimuli presented during the kinetic test The table also lists all Static Points and whether each point was Seen or Not Seen Each point is...

Page 254: ...pretation of test results The following is the list of print styles for each type of test point Type Style Example Isopter Uppercase A Scotoma Outlined B Blind Spot Outlined C Custom Scan Inverse D D...

Page 255: ...want to view Kinetic tests are designated Kinetic in the Directory Press PROCEED 5Choose the printout style s Press PRINT ALL SELECTED ITEMS Printing will begin Note When printing at the end of a test...

Page 256: ...d Example Programming a point to be presented along the 45 degree meridian in the temporal visual field for the right eye will be presented along the 135 degree meridian temporal visual field for the...

Page 257: ...11 49 REV B 02 03 PN 51680 1 HUMPHREY FIELD ANALYZER II i series KINETIC TESTING 1Start at the Main Menu Press the SYSTEM SETUP Icon 2Press the ADDITIONAL SETUP button 3Press the CUSTOM TEST button...

Page 258: ...KINETIC PARAMETER SETUP screen appears Choose the stimulus parameters for the first isopter to be tested Press SELECTION COMPLETE 6You have the option of entering each test point in the order you wis...

Page 259: ...n the upper left corner 7To enter the first meridian press ADD MERIDIAN 8The Keypad will appear on the screen Enter the meridian desired eligible range is 0 359 degrees Note You may find it more conve...

Page 260: ...evious meridian at 60 degrees has changed to a circle This is to make it easier to identify the most recent meridian programmed 11 When all the meridians for the first isopter have been added press th...

Page 261: ...TIC TESTING 13 You will be given the option to use the same points you chose for the first isopter to be applied to this second isopter Add the meridians to be tested as described above for the second...

Page 262: ...e indicator at the top changes to the previous meridian The ERASE LAST MERIDIAN button can be pressed repeated times to erase previously programmed meridians It will change to ERASE ISOPTER when all m...

Page 263: ...ust created Press YES Note If you press NO the name of your test will be Custom Kinetic A second Custom Kinetic test will also be named Custom Kinetic It is recommended that all Custom Kinetic tests b...

Page 264: ...cally for Germany The test is identical to the Standard 30 kinetic test All three of the pre defined kinetic test patterns are limited to presenting only one isopter You may wish to create your own Cu...

Page 265: ...680 1 HUMPHREY FIELD ANALYZER II i series KINETIC TESTING 1Start at the Main Menu Press the SYSTEM SETUP Icon 2Press the ADDITIONAL SETUP button 3Press the CUSTOM TEST button CREATING THE APHAKIC SIZE...

Page 266: ...ears press CREATE KINETIC TEST 5The KINETIC PARAMETER SETUP screen appears Set the following stimulus parameters for the isopter to be tested Size IV Intensity 4 Intensity Modifier E Speed 4 Press SEL...

Page 267: ...the meridian desired Press ENTER The meridians to be entered are 0 45 90 135 180 225 270 315 9A small gray square will be placed on the meridian entered In this example the square can be seen on the 0...

Page 268: ...eld The previous meridian at 0 degrees has changed to a circle This is to make it easier to identify the most recent meridian programmed 11 When all the meridians for the isopter have been added press...

Page 269: ...d will appear Type SSA Aphakic Press ENTER when the name of your test is complete The SSA Aphakic Disability Test will be placed on the Kinetic Testing menu This test may be accessed by the traditiona...

Page 270: ...ans listed are not identical you must delete the test and create a new one If the SSA Aphakic Test is determined to be incorrect it must be deleted Follow the instructions below 1From the Main Menu sc...

Page 271: ...eplacing Parts 12 4 Operating the Printrex Printer 12 10 Touch Screen Calibration 12 12 Using Data Disks 12 13 The HFA II is designed to meet the demands of your busy schedule and because it plays an...

Page 272: ...ner distilled water or isopropyl alcohol applied to a soft cloth to clean the surfaces cited below Clean as often as necessary EXTERIOR SURFACE Never spray cleaner directly on the instrument BOWL SURF...

Page 273: ...ak the filter in soapy water to clean it always allow it to dry completely before returning it to the instrument as moisture will cause damage to the internal parts For replacement filters call Zeiss...

Page 274: ...bulb by calling Carl Zeiss Meditec Customer Service Ask for Part Number 30323 Projection Lamp 1Turn off the HFA II and lower the table Remove the top access panel by rotating it counterclockwise Stan...

Page 275: ...om you 4Remove the bulb assembly Insert the replacement bulb into the housing Note the notch in the base of the bulb housing lines up with the pin to the right of the assembly Do NOT touch the glass p...

Page 276: ...d these bulbs are to be replaced only by a Carl Zeiss Meditec Service Representative Patient response button Should the response button malfunction disconnect it and replace it with a new response but...

Page 277: ...he filament for breakage Remove defective fuses 4Insert the new fuse s in the holder Slide the holder back into the housing with arrows pointing to the right Push the cover up and in until it snaps cl...

Page 278: ...r the table Information on the replacement fuses and proper ratings are posted next to the fuse location described below Figure 12 1 HFA II Power Table With Mounted Printer Showing Location of Fuses 1...

Page 279: ...base of the lifting column Move the table away from the wall to access the back of the table 2Use needle nose pliers or fingernails to gently slide the fuse drawer from its housing 3Remove defective f...

Page 280: ...r by pressing on the open circles printed on the two latches at the lower corners of the door Pull up on the latches to open the door 2Remove the paper roll holder from the printer and remove the pape...

Page 281: ...t and the Error indicator is not flashing About thermal paper Storage of thermal paper for the HFA II requires special care Carl Zeiss Meditec recommends that you store your printouts in plain paper f...

Page 282: ...it is properly calibrated 8 If the touch screen response is still not accurate re calibrate by repeating steps 1 through 7 There are two additional ways to re calibrate the touch screen should you hav...

Page 283: ...of the disk Remember to label data disks for easy identification Be careful to not let the label adhere to the sliding cover of the disk Store data disks in their protective folders and in the origin...

Page 284: ...12 14 CARE AND CLEANING REV B 02 03 PN 51680 1 HUMPHREY FIELD ANALYZER II i series...

Page 285: ...4 580mm Depth 20 4 518mm Weight 87 8 lbs 39 9kg Height with table fully elevated with slider 66 1676mm Footprint includes Table Width 38 3 973mm Depth 27 4 696mm Environmental Requirements Operating A...

Page 286: ...Three Zone Quantify Defects X X X X Age Level Referenced Threshold Related Modes X X X X Single Intensity X X X X Specialty Test Library Esterman Monocular X X X X Esterman Binocular X X X X Superior...

Page 287: ...ATPAC Formats Three in One X X X X Overview Sizes I II IV X X X Screening O U Printout Both Eyes X X X X Compare X X X X DATA STORAGE 3 5 Floppy Drive X X X X Internal Hard Disk Drive X X X X Magneto...

Page 288: ...ecifications Subject to Change USER FEATURES Model Model Model Model 720i 740i 745i 750i Fixation Monitoring Heijl Krakau Blindspot X X X X Video Eye Monitor X X X X Trial Lens Holder X X X X Gaze Tra...

Page 289: ...costs If Your HFA II is ineligible for repair under Warranty We will notify You and any repairs You authorize will be performed at Our normal rates All replaced parts will become the property of Carl...

Page 290: ...ION OR WINDRIVER SYSTEMS NOR ANY OTHER PARTY INVOLVED IN THE CREATION PRODUCTION OR DELIVERY OF THIS INSTRUMENT OR SOFTWARE COLLECTIVELY REFERRED TO AS CONTRIBUTOR S SHALL BE LIABLE FOR ANY DAMAGE LOS...

Page 291: ...ght to use and display this Software on a single HFA II under the terms of this License If the HFA II on which You use the Software is a multi user system this License covers all users on that single...

Page 292: ...ies of the Software and accompanying materials in your possession The new recipient of the Software and accompanying HFA II accepts this Agreement and is licensed under the terms of this Agreement upo...

Page 293: ...FUNCTIONS PRINT FUNCTIONS UNDO Return to Previous Screen SYSTEM SETUP The Information i button Appendix C Icon Glossary REV A10 9 98 PN 47653 HUMPHREY FIELD ANALYZER II C 1 REV B 02 03 PN 51680 1 HUM...

Page 294: ...REV A10 9 98 PN 47653 HUMPHREY FIELD ANALYZER II A 6 APPENDIX A REV B 02 03 PN 51680 1 HUMPHREY FIELD ANALYZER II i series C 2 APPENDIX C...

Page 295: ...ulus is equivalent to a Goldmann V 4e stimulus or 10 000 asb A simplified chart to convert from dB values to Goldmann units is available in Tables D 1 through D 6 To use the conversion tables first lo...

Page 296: ...I 3a II 3a III 3a IV 3a V 3a 20 100 I 2e II 2e III 2e IV 2e V 2e 21 79 I 2d II 2d III 2d IV 2d V 2d 22 63 I 2e II 2c III 2c IV 2c V 2c 23 50 I 2b II 2b III 2b IV 2b V 2b 24 40 I 2a II 2a III 2a IV 2a...

Page 297: ...43 44 I 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 II 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 III 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 IV 5...

Page 298: ...CA Adams AJ Casson EJ Brandt JD Progression of early glaucomatous visual field loss as detected by blue on yellow and standard white on white perimetry Arch Ophthalmol 1993 111 651 656 4 Sample PA We...

Page 299: ...R II REV B 02 03 PN 51680 1 HUMPHREY FIELD ANALYZER II i series 10 30 20 10 30 20 5 10 5 10 Central 30 2 Threshold Test Pattern Right Eye Central 24 2 Threshold Test Pattern Right Eye Threshold Test P...

Page 300: ...II A 12 APPENDIX A REV B 02 03 PN 51680 1 HUMPHREY FIELD ANALYZER II i series E 2 APPENDIX E 10 30 40 50 60 20 10 20 30 40 50 60 Peripheral 60 4 Threshold Test Pattern Right Eye Nasal Step Threshold T...

Page 301: ...I i series HUMPHREY FIELD ANALYZER II APPENDIX E E 3 20 30 10 20 30 10 10 20 30 10 30 20 Central 64 Point Screening Test Pattern Right Eye Central 40 Point Screening Test Pattern Right Eye Screening T...

Page 302: ...ZER II i series E 4 APPENDIX E 30 10 20 40 50 60 20 10 30 10 20 30 40 50 60 10 20 30 40 50 60 Full Field Armaly Screening Test Pattern Right Eye Central Armaly Screening Test Pattern Right Eye Screeni...

Page 303: ...Y FIELD ANALYZER II APPENDIX E E 5 40 50 60 20 10 30 50 40 60 90 70 80 20 10 30 40 50 60 20 10 30 Full Field 120 Screening Test Pattern Right Eye Full Field 81 Screening Test Pattern Right Eye Screeni...

Page 304: ...ER II i series E 6 APPENDIX E 40 30 20 10 50 60 40 30 20 10 50 60 30 40 50 60 70 80 90 10 20 40 50 60 30 70 80 90 10 20 Superior 64 Screening Test Pattern Right Eye Superior 36 Screening Test Pattern...

Page 305: ...t is currently running Turn on your instrument and allow it to warm up In the upper left hand corner of the Main Menu screen the software revision will be identified e g Rev C_X If you have trouble If...

Page 306: ...have a button labeled INSTALL Press this button to begin the installation It will say Copying Files on the screen 3When the HFA II is ready for another disk the following message will be displayed Pl...

Page 307: ...tions Follow the steps described on the previous page 1From the Main Menu press the SYSTEM SETUP icon On the System Setup menu press ADDITIONAL SETUP Next press INSTALL SOFTWARE 2Insert the software d...

Page 308: ...REV A10 9 98 PN 47653 HUMPHREY FIELD ANALYZER II A 20 APPENDIX A REV B 02 03 PN 51680 1 HUMPHREY FIELD ANALYZER II i series F 4 APPENDIX F...

Page 309: ...information contained in the patient s responses to those stimuli This is important both in terms of calculating the threshold at the point being tested and in terms of determining how bright the ini...

Page 310: ...nd less time at locations where the answers are highly consistent When the information index reaches a predetermined value testing at that point is discontin ued the point is then closed The informati...

Page 311: ...in this project We are especially grateful to the following researchers who acted as principal investigators for their universities hospitals and clinics in the recruitment of subjects and in the col...

Page 312: ...REV A10 9 98 PN 47653 HUMPHREY FIELD ANALYZER II A 24 APPENDIX A REV B 02 03 PN 51680 1 HUMPHREY FIELD ANALYZER II i series G 4 APPENDIX G...

Page 313: ...______________ How to print the System Log 2 How to print the Unit Configuration information 2 Start at the Main Menu Press the i button in the upper left hand corner of most screens Press System Setu...

Page 314: ...to reach touch screen calibration procedure 12 Patient Response Button Does not beep when pressed Turn Switch Beep on Additional Setup menu 2 Check connection to HFA II 1 Verify patient is properly pr...

Page 315: ...s No change probability symbols on GCP requires 3 tests to show change probability symbols 7 Glaucoma Change Probability GCP printout No Single Field Analysis printout Test pattern not eligible for ST...

Page 316: ...o open eye wider during initialization 5 Interfering eyelashes ask patient to open eye wider during initialization Small pupils 5 Excessive eye movement or blinking 5 Excessively large or dilated pupi...

Page 317: ...onnect to HFA II Needs adapter plug 1 Blue Yellow SWAP Grayscale looks very dark May be normal for Blue Yellow The eye is less sensitive to the blue stimulus Gray scale is the same used for White on W...

Page 318: ...d 8 Use INITIALIZE DISK feature all previous data will be erased Disk may be the wrong format 8 Make sure you use only High Density HD 1 44 MB floppy disks Do not use Super High Density 2 88 MB disks...

Page 319: ...Button 51467 Keyboard Mini with Touch Pad 51472 Printer Cable Parallel DB 25 to Centronix 42050 Power Cable Instrument to Table 22511 100V 120V Power Cord Table to Wall 22581 220V 230V 240V Power Cord...

Page 320: ...REV A10 9 98 PN 47653 HUMPHREY FIELD ANALYZER II A 32 APPENDIX A REV B 02 03 PN 51680 1 HUMPHREY FIELD ANALYZER II i series H 8 APPENDIX H...

Page 321: ...llumination 12 6 H 7 Stimulus Projection 12 4 H 7 Buttons Main Menu screen Add Change 2 18 Add Text to 2 19 2 21 Delete 2 19 C Calibrating Touch Screen see Touch Screen Calibration Cancel Test 5 10 Ca...

Page 322: ...End of Test Screen 5 14 Environmental Requirements A 1 Esterman Disability Testing 3 6 3 7 3 24 5 18 External Floppy Drive see Floppy Drive External External Keyboard see Keyboard External Eye Monitor...

Page 323: ...11 39 11 42 General 1 4 Show Alternate Isopters Kinetic 11 38 11 42 K Keyboard External 1 14 1 16 1 17 2 6 12 12 Kinetic Testing Automatic 11 2 11 15 11 24 Blind Spot Map 11 2 11 27 11 31 11 46 Curso...

Page 324: ...7 28 Custom 10 19 Glaucoma Change Probability Analysis GCP 1 6 5 15 7 2 7 15 7 16 7 17 7 18 7 25 7 28 Interpretation 7 4 Kinetic 11 43 11 44 11 45 Kinetic Legend 11 46 O U Both Eyes 7 26 7 27 Overvie...

Page 325: ...n 2 11 2 15 2 16 8 17 8 18 Saving Data 5 18 5 19 11 18 11 22 11 38 11 54 Scotoma Absolute 1 4 7 26 Relative 1 4 7 26 Screen Body 2 2 Screen Saver 2 8 Screening Parameters 4 4 Screening Tests 3 5 7 26...

Page 326: ...Test Library 3 6 Test Parameters 4 7 Transferring 8 16 Time and Date Setup 2 10 2 14 Title Bar 2 2 Total Deviation Plots 7 7 Touch Screen Activation 2 4 Brightness Control 1 12 Calibration 2 21 12 12...

Page 327: ......

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Zeiss HUMPHREY 720i, User Manual

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Summary of Contents for HUMPHREY 720i

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