background image

 

definite image. 

21

 

Microscope Fixation Screw 

22

 

Accessories Mount 

Accept  the  model  R-900  Goldmann  applanation  tonometer  as  well  as  other 

accessories 

23

 

Horizontal Mark 
When  the  horizontal  center  of  the  patient’s  eye  is  in  line  with  this  mark,  the 
elevation of the microscope controlled by joystick is also in its center position. 

24

 

Forehead Belt   

25

 

Diffusion Lens 

  Used for observing and photographing at a low magnification, and for enlarging 

the illumination field. 

26

 

Lamp Cap 

27

 

Aperture Slit Height and Display Window 

28

 

Filter Selection Lever 
There are four filters for selection 

29

 

Aperture and Slit Height Control Knob 
Rotate  this  knob  to  adjust  the  spot  and  the  slit  height.  Swing  the  knob 
horizontally to revolve the slit.   

30

 

Fixation target 
Two kinds of fixation targets are available. One is for diopter adjustment to help 
the patient to see the target clearly while the other is an illuminated fixed spot. 

31

 

Reflecting Mirror 
Both long and short reflecting mirrors are provided. The long mirror is routinely 
used  for  most  examination  procedures.  The  short  mirror  is  used  when  the  long 
mirror interferes with the observation pathway, such as during funduscopy. 

32

 

Hruby Lens 

Used for observation of fundus and the posterior segment of vitreous body. 

33

 

Hruby Lens Holder   

34

 

Centering Knob 
Loosening the knob allows the illumination light to be moved from the center of 
the  vision  field  for  indirect  retro-illumination.  Fastening  the  knob  brings  the 
illumination light back to the center. 

35

 

Slit Width Control Knob 
The  slit  width  is  continuously  adjustable  within  the  range  from  0  to  9mm.  The 
marks on the left knob stand for the approximate value of the width.   

36

 

Illumination Inclination Lever   
Four 5

o

 inclination stops are available

up to 20

o

37 Brightness Control Connector 
 
 

Summary of Contents for ESL-7800

Page 1: ......

Page 2: ...rectly and firmly connected before using Ensure that the instrument is well grounded 3 Please pay attention to all the ratings of the electrical connecting terminal 4 Only use fuse according to the sp...

Page 3: ...Fig 1...

Page 4: ...n with Hruby lens optional 14 4 Maintenance 15 4 1 Replacing the illumination bulb 15 4 2 Replacing the reflecting mirror 15 4 3 Replacing the fuse 16 4 4 Replacing the chin rest paper 16 4 5 Adjustin...

Page 5: ...e arm represent the two arms angle When the 0 on the ring relates to the short mark at one side of the operator the right eyepiece may be blocked and the side of the patient the left eyepiece 12 Chin...

Page 6: ...ble One is for diopter adjustment to help the patient to see the target clearly while the other is an illuminated fixed spot 31 Reflecting Mirror Both long and short reflecting mirrors are provided Th...

Page 7: ...3 2 Assembly This section of the manual describes how to assemble ESL 7800 slit lamp All parts should be taken out with great care from the packing case before assembling 2 1 Components Fig2 1...

Page 8: ...Hruby Lens 1 I Hruby Lens Guide Plate 1 J Spare Illumination Bulb 1 K Chin rest Paper 1 L Focusing Test Rod 1 M Protection Cap 2 N Dust proof Cover 1 O Fixation Target 1 P Spare Long Reflecting Mirro...

Page 9: ...the input voltage and frequency of the instrument according to that of the mains 2 Assembling the Worktable F To attach the worktable on the motorized instrument table please screw off four M8x20mm b...

Page 10: ...tion arm with the screwdriver V Aim the assembly hole of the illumination arm at the brass shaft sleeve with care then put down let the shaft keeping close to the bottom surface well and simultaneousl...

Page 11: ...tput socket of the power box Insert the plug of the input power cable H into the input socket of the power box Remove the cable clips from the bottom of the work table with screw driver U and wrap the...

Page 12: ...onpart When the main power switch 8 of the power box is placed at I it turns on and O for turn off The main power switch should be set at the O position before connecting the input cable with the powe...

Page 13: ...perator is an ametropia he should adjust the eyepiece diopter One eyepiece with four short reticle lines witch is usually placed at the right side helps to focus accurately after accessories being att...

Page 14: ...target Slide the knob to adjust the diopter compensation within the range from 15D to 10D Fig 22 Fig 22 The fixation target with spot light is especially for the patient whose diopter exceeds 15D Fig...

Page 15: ...ircular beams of light are available at full aperture 9 8 5 3 1 0 2 dia respectively With a slit image the slit height can be changed continuously from 1 to 9mm which is indicated through the display...

Page 16: ...ig 29 Fig 29 6 Reflecting mirror Both short and long reflecting mirror are available in this instrument Use the long mirror in normal examination When the angle between the illumination part and the m...

Page 17: ...e groove on the guide plate 4 Move the focus of the illumination light and the microscope to the patient s eye 5 Move the lever to locate the Hruby lens at the center of the vision field and near the...

Page 18: ...otherwise the illumination may be uneven Fig 34 Attention The bulb is hot Place the lamp cap in the original position and rotate it clockwise and insert the connecting plugs Turn on the main power swi...

Page 19: ...n the paper is depleted pull upward two fixing pins of the chin rest and place a new package of paper then fix the fixing pins again Fig 38 Fig 38 4 5 Adjusting the tightness of the slit width knob If...

Page 20: ...rts such as chin rest bracket forehead rest belt with soft cloth dipped with soluble detergent or water sterilize with medicinal alcohol Fig 41 Attention Don t wipe with any corrosive detergent lest t...

Page 21: ...nge the fuse P16 The bulb is not assembled properly Assemble the bulb properly P15 The filter lever is in the middle position or in the position of gray filter Set the filter lever to the correct posi...

Page 22: ...25o C to 40 o C This instrument should be stored in a well ventilated room without corrosive gas where the relative humidity should be 10 to 80 and environment temperature 10o C to 40o C If the assem...

Page 23: ...to horizontal Slit inclination 5o 10o 15o 20o four steps Filter piece Heat absorbing gray red free blue Illumination bulb 6V20W halogen bulb Movement base Fore and back movement 90mm Left and right m...

Page 24: ......

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