Dimensions: 3.75″ x 6.25″ (9.5 cm x 15.9 cm).
Testing distance: 16″/40c
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A French Sloan Letter Pocket Card with line sizes of 20/400 to 20/10 equivalent on one side. The continuous French text is printed on the reverse side with line sizes from 20/80 to 20/16.
Dimensions: 3.75″ x 6.25″ (9.5 cm x 15.9 cm).
Testing distance: 16″/40c
Brands | Good Lite |
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The LEA 3-D Puzzle is designed for supporting the development of the concept of “same”, first with colors, then with black & white concrete forms that are prerequisites for the measurement of recognition acuity with the LEA SYMBOLS® tests at an early age.
Some children with brain damage-related vision loss may achieve near normal results in routine vision tests (large visual field and normal or near normal visual acuity), but cannot interpret facial expressions or recognize people’s faces.
A vectographic two-dimensional Fixation Disparity Target for assessing Near Point of Fixation Disparity and Associated Vergence Measures at Near.
Set includes Fixation disparity test and adult Polarized.
This card combines a lea symbols® line test on one side and lea numbers® line test on the opposite side. Proportionally-spaced lines from sizes 20/400 to 20/10 (6/120 to 6/3) equivalent.
16 inches, 40 cm testing distance.