A basic vision therapy tool no VT practice should be without. Better weight = Better swing!
Hard White Marsden Ball is 3″ hollow ball made of hard plastic with black letters on a 10’ cord.
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A basic vision therapy tool no VT practice should be without. Better weight = Better swing!
A basic vision therapy tool no VT practice should be without. Better weight = Better swing!
Hard White Marsden Ball is 3″ hollow ball made of hard plastic with black letters on a 10’ cord.
| Brands | Good Lite |
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This assessment is designed for amblyopia testing or screening. This near vision chart has 50% spaced rectangle (Massachusetts Visual Acuity Test format) with line sizes from 20/400 to 20/16 (6/120 to 6/4.8) equivalent.
16 inches, 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).
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.
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