This test assesses the reversals of letters, numbers and words in children between 5-12.
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This test assesses the reversals of letters, numbers and words in children between 5-12.
This test assesses the reversals of letters, numbers and words in children between 5-12.
Brands | Bernell USA |
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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.
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.
Test for quick measurement of low Contrast visual acuity at 25%, 10%, 5%, 2.5%, and 1.25% Contrast by measuring the distance where the symbols are seen. 10M symbols correspond to visual acuity 0.10 at 1 m, 0.05 at 0.5 m and 0.3 at 3 m. VA values are thus easy to calculate. Test includes a table for conversion to Snellen equivalent VA values, a response keys and instructions. 6 pages, 3.25″ x 9″ (8.25 cm x 22.9 cm).