8
8
0.5
10
0.3
=1.995′
9
0.6
10
0.2
=1.585′
10
0.8
10
0.1
=1.259′
11
1
10
0
=1.000′
12
1.2
10
-0.1
=0.794′
13
1.5
10
-0.2
=0.631′
14
2.0
10
-0.3
=0.501′
1.3.3.3 Animal chart, 123 chart and ABC chart
1.3.3.3.1 Animal chart
1.3.3.3.2 123 Chart
1.3.3.3.3 ABC chart
Chart specification: animal chart, ABC chart and 123 chart, chart maximun size
(length) and scale is similiar to E chart. At 5m, chart for 0.1 indication value biggest
size is 72.72mm (equal to the E chart size for 0.1 visiula acuity), e.g:
1.3.3.4 polarization charts and red/green charts(each with special test glasses)
Binocular balance on polarized red/green background: test of binocular balance
