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Multi-Contrast Sloan Letter Flip Book
Notations for testing at 2 meters (6.5 ft.). Acuity range 20m to 1.6m. Measures 13.5 x 14 in. Each page it's own contrast level at 100%, 2.5% and 1.25%.
Includes test instructions, recording forms (Cat. No. 2514) and soft-tipped pointer.
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Sloan Translucent Low Contrast Charts
Notation for testing at 2 meters (6.5 ft.). Acuity range 20m to 1m (20/200, 6/60 to 20/8, 6/2.4 equiv.).
Cat. No. 2425 ETDRS Illuminator Cabinet is necessary with these charts. Measures 62 x 65 cm (24.5 x 25.5 in.). Includes soft-tipped pointer, recording forms (Cat. No. 2514) and instructions.
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PV Numbers™ Translucent Low Contrast Charts
Notation for testing at 2 meters (6.5 ft.). Acuity range 20m to 1m (20/200, 6/60 to 20/10, 6/3 equiv.).
Cat. No. 2425 ETDRS Illuminator Cabinet is necessary with these charts. Measures 62 x 65 cm (24.5 x 25.5 in.). Includes soft-tipped pointer, recording forms (Cat. No. 2514) and instructions.
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