A Fixation stick with 2 sides featuring:
Side 1:
Picture of a dog
- English Continuous reading example
- Sloan Letter optotypes
Side 2:
Picture of a fish
- 2 small Sloan Letter optotypes in the middle
- 5 line Sloan Letter with 5 optotypes in each line
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A Fixation stick with 2 sides featuring:
Side 1: Picture of a dog
Side 2: Picture of a fish
A Fixation stick with 2 sides featuring:
Side 1:
Picture of a dog
Side 2:
Picture of a fish
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.
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).
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