The chart is placed at a standardized distance away from the person whose vision is being tested. The Snellen chart is the most widely used. The Snellen chart is designed for use at 6 meters or 20 feet, and is thus appropriate for testing distance vision. A Snellen chart is an eye chart that can be used to measure visual acuity.
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Specifications
General
Brand
SATMED
Model Number
Tumbling E Chart
Type
E
Material
Paper
Dimensions
Test Distance
20 feet
Length
5 cm
Width
2 cm
Additional Features
Key Features
The Snellen chart usually shows 11 rows of capital letters., The first line has one very large letter. Each row after that has increasing numbers of letters that are smaller in size., The test can be done with less than 20 feet of space., A Snellen chart is an eye chart that can be used to measure visual acuity.
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