Tomey TCP-2000, User Manual, Page: 25 / 50

Operation Manual
25
Sharpness
(Size)
Snellen decimal
scale
No. of
optotypes per
chart
Total number of
optotypes
0,05
0,06
0,08
1 2
0,1
0,125
2 4
0,16
0,2
0,25
3 6
0,32
0,5
0,7
0,9
1,1
1,6
0,4
0,6
0,8
1,0
1,25
2,0
5 10
Table 2. Sharpness degrees for Snellen type chart
5.2.2. LogMar Modified type chart presentation
The LogMar Modified chart is a superior design to the Snellen chart. A wide range
of optotypes can be displayed in LogMar Modified format.
Pic.9.
Example of LogMar Modified type chart.