Nidek Medical RT-5100, Руководство оператора

Страница: 68 / 306

50
OPERATING PROCEDURE Standard Program Refraction
19
Perform the stereo test.
1) Press .
The polarizing filters are placed in the mea-
suring windows.
Right eye: 135°, Left eye: 45°
The stereo test chart is presented.
The fog which has been applied during the
binocular balance test is automatically
released.
2) Confirm that the patient can see four
vertical lines stereoscopically.
Enter the recognized stereoparallax with the function button. For a patient who cannot see those
lines stereoscopically, perform the binocular visual function test as necessary. See "4.4 Binocular
Visual Function Test" (page 163).
20
Perform auto adjustment (Final Fit).
1) Press .
2) Select [High] or [Low] for the patient’s
flexibility to the corrective lenses.
When making a decision about the patient’s
flexibility based on age, the dividing line is
about 40 years of age.
The far powers are adjusted automatically
and set in [Final 1]. See "2.7.1 Auto adjust-
ment of far powers (with Program A)" (page
83) for more details.
The chart of 20/20 to 20/10 is presented.
21
Check the corrected visual acuity.
Refine the vision with or .
Hard to see or undercorrect

The powers are adjusted higher by one
increment and the data is stored in [Final 2].
Overcorrect or uncomfortable

The powers are adjusted lower by one
increment and the data is stored in [Final 2].
The prescription history is called up with
the touch buttons such as [Full] (full cor-
rection), [Final 1], [Final 2]. It allows each
viewability to be compared. Pressing
on the control box can also compare the data
with the LM one.
161221687130 承認済
Uncontrolled copy when printed.