Charts, ETDRS
V.A. range from 0.03 to 2.0 (decimal), 13 contrast LogSC levels, random, single letter, single line, multi line, red and green.

Contrast Sensitivity Test
“FAST 2-1” psycho-physic procedure
144 calibrated stimuli, 3 random inclinations, 8 contrast sensitivity levels, 6 spatial frequency levels (from 0.75 to 18 cycle/degree), graph report.

Ishihara Tables
(25 brightness calibrated tables)

Stereo test
(15 tables) to use with red-green glasses

List of Charts:
Optotypes: Snellen Letters, Sloan Letters, Numbers, Children’s Images, Tumbling E, Landolt’s Ring, HOTV, ETDRS tables (1, 2, R), LeaLike Symbols, Allen Pre-school, Circular Optotypes, Kolt Symbols, Contrast Sensitivity Chart (6 lines, 12 lines), Hebrew Letters, Chinese Ideograms.
Bio/Bino tests: Binocular Balance (1, 2) (RG/P), Duochrome Balance (P), Phoria Horizontal-Vertical (RG/P), Rectangle Test Horizontal-Vertical (RG/P), Stereo Triangle (St) (RG), Stereo Balance (V) (RG), Cross Test (K) (RG), Pointer Test (Zv, Zo, DZ) (RG), Cowen (C) (P), Osterberg Stereo Test (RG), Cross Test (RG), Differentiated Stereo D8 (RG), Mallet Test (OXO) (RG).
Other tests: Contrast Sensitivity Test, Sinusoidal Grating, Color Blindness Test (Ishihara), Red and Green, Worth Four Dot Test, Astigmatism Clock Dial, Cross Cylinder Dots, Amsler’s Grid, Random Dot Test Red-Green, Adult Grid, Child Grid, Row Bright Letters, Column Bright Letters, Half Clock Dial, Point of Fix, Maddox LED Test, Pictures for Retinoscopy, Photostress Recovery Time, Glare Sensitivity Test, Twilight Vision Test. (Abbreviation: RG=Red-Green, P=Polarized)