ViewLight UNICOS UDR-800P - Minute Stereo Acuity Test

93
U
U
n
n
i
i
c
c
o
o
s
s
D
D
i
i
g
g
i
i
t
t
a
a
l
l
R
R
e
e
f
f
r
r
a
a
c
c
t
t
o
o
r
r
U
U
D
D
R
R
-
-
8
8
0
0
0
0
P
P
10.25 Minute Stereo Acuity Test
 Purpose: Subjective test, progress a minute stereo Acuity test.
 Chart: Minute Stereo Vision Chart
 Auxiliary Lens: Polarized Filter with 135 degrees for right eye, and 45 degrees for left eye.
 Target: With Fixation as a center, it must be seen as rotating clockwise and as embossed.
 Way of Test
1. On Special Chart clause of touch screen, press Minute Stereo
Vision Chart and
choose Minute Stereo Vision Test Mode.
2. Ask the patient, “How do you see the bars, with the standard of Fixation, from at 12,
3, 6, to 9 o’clock (clockwise)?”
▶ All the bars including central Fixation look like flat: The patient does not have the
capability of stereo vision. Choose NG.
▶ The bars at 12 and 3 o’clock look like cubic: The patient can percei
ve to 1 arc
minute. Choose [1’].
▶
The bars at 3 and 6 o’clock look like cubic: The patient can perceive to 2 arc
minutes. Choose [2’].
▶
The bars at 6 and 9 o’clock look like cubic: The patient can perceive to 4 arc
minutes. Choose [4’].
▶ The bars at 12 and central Fixation look like cubic: The patient can perceive to 10
arc minutes. Choose [10’] and setup it.
[Figure 10-25] Minute Stereo Vision Test