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 |
Small Fixation Disparity Polarized Target Vectographic two-dimensional card with 2 Fixation Disparity Crosses positioned vertical to one another to facilitate the comparison of binocular performance when using a lower versus higher spatial frequency or acuity demand.
This standardized vision test is designed for amblyopia screening and testing children who have difficulties when tested with the standard near vision card.
16 inches/40 centimeters testing distance.
Sloan Letter charts calibrated to test visual acuity at an intermediate distance of 66 cm (26 in.).
This chart can either be wall mounted or used in an ESV 1200 , ESV 1500 , or a Model A illuminated cabinet.
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