Buy Snellen Eye Chart 20 ft. for Visual Acuity Testing
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By A Mystery Man Writer
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4.5(405)
Product Description
Eye Chart 20 ft. distance. Visual Acuity Testing. Snellen Eye Chart for Testing Vision. Eye Examination Chart. Ideal for Clinics, Schools. Eye Chart with letters for patients.
A double-sided Standard Snellen Chart for testing at 20 ft and 10 ft based on a visual angle of one minute. The front side has a 20 ft Snellen Chart
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20 foot Snellen single-sided acuity chart that ranges from 20/200 to 20/15. Has letters with Red, Green and Blue lines. Measures 22 x 11 Inches.
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