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Good-Lite offers a wide selection of low charts to fit your testing needs. Charts are available it different contrast levels and testing distance.
Some charts are available in “Scrambled Versions” with optotypes in different order for when repetitive testing is involved.
All charts are proportionally spaced (logMAR) lines; line sizes range from 20/200 to 20/10 (6/60 to 6/3) equivalent, 0.10 to 2.00. 24.5″H x 25.5″W (62 cm x 65 cm).
13 feet/4 meters Testing Distance
Sloan Letters Optotype
1.25%……………………………..500022
1.25% – Scrambled Version ….500033
2.5%……………………………….500021
2.5% – Scrambled Version…….500032
5%………………………………….500020
10%………………………………..500019
25%………………………………..500023
10 feet/3 meters Testing Distance
Sloan Letters Optotype
1.25%……………………………..500024
2.5%……………………………….500029
5%………………………………….500028
10%………………………………..500027
25%………………………………..500026