65
5.
Adjust the value of C and A until both of letters become clear,
tapping number [1] and number [2].
10-5.
Dual Cross Cylinder Test
-
Purpose: Subjective test, revise maximum circumference refractive
power and axis for Monocular, using Dual Cross Cylinder.
-
Chart: Dot-Group Chart
-
Auxiliary Lens: Dual Cross Cylinder Lens (DUAL)
-
Objective: Separated two Dot-Group Chart must be seen equally.
-
Operation Sequence
1.
Tap (R) or (L) button to choose the eye for test.
2.
Tap Dot-Group Chart to move on to Cross Cylinder Mode.
3.
Select the option control tap, and tap [CC dual] button to change
it into Dual Cross Cylinder Mode.
4.
From the patient’s view, the Dot-Group Chart is separately shown
divided as two.
- If the left one is seen clearly, turn the dial counterclockwise
(+ direction.)
- If the right one is seen clearly, turn the dial clockwise (-
direction.)
- If the patient says there is no difference, finish the test.
Содержание Smart DR13
Страница 1: ......
Страница 33: ...32 Fig 21 Controller View Screen...
Страница 37: ...36 Fig 25 List View and Detailed View Received data...
Страница 44: ...43 Fig 31 Set the Risley prism left and the Jackson cross cylinder Right...
Страница 46: ...45 Fig 33 Pop up selecting Auxiliary lens and CP Operation penal...
Страница 50: ...49 Fig 35 Adjustment of the SPH CYL AXIS Value...
Страница 61: ...60 Fig 50 Near Horizontal Von Graefe Test...
Страница 85: ...84...
