The red sheet is used for anti-suppression. Full-sized sheet can be used for reading and other activities in books or on a computer screen.
Measures 8.5 x 11 inches.
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The red sheet is used for anti-suppression. Full-sized sheet can be used for reading and other activities in books or on a computer screen.
Measures 8.5 x 11 inches.
The red sheet is used for anti-suppression. Full-sized sheet can be used for reading and other activities in books or on a computer screen.
Measures 8.5 x 11 inches.
| Brands | Good Lite |
|---|
| Measures | 8.5 x 11 inches |
Standardized adult Sloan Letter near vision card with proportionally spaced (logMAR) lines in ETDRS, format; line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent.
16 inch, 40 cm testing distance.
Combines Maddox Rod, Occluder, Red Lens, Fixation Targets, 1mm and 1.3mm Multiple Pinholes. Also includes Fixation targets, including one letter and one symbol .6mm, .8mm, 1.0mm, 1.6mm plus 2.0mm and 2.5mm letters.
Hiding Heidi Low Contrast Face Test are available in 2 different versions:
Double Sided : Four cards printed on both sides in the following Contrast levels: black, 25%, 10%, 5%, 2.5%, and 1.25%.
Single Sided : Seven cards printed on one side in the following Contrast levels: black, 25%, 10%, 5%, 2.5%, and 1.25%.
Cards are 9″ x 9″ (23 cm x 23 cm). Includes instructions.
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