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AAPOS Critical Line Vision Chart Book
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1035462
Quick Overview
This book assists anyone who screens vision, including school nurses, Lions Club members, and medical personnel working in pediatrics and family medicine.
Includes full-chart threshold and single critical line formats.
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Spiral-bound, multi-sided, distance visual acuity eye charts in full threshold and critical line formats that can be hung on a wall or held in the hands for 10-ft. screening.
- Sloan Letters for when children know random letters
- LEA SYMBOLS(r) for preschoolers and for children who do not yet know random letters.
- Full-Chart Threshold and Single Critical Line formats
- Threshold screening involves beginning at the top of an eye chart and moving down the chart until the child or adult misses 3 of 5 optotypes.
- Critical line screening uses only the line on which the child or adult should correctly identify 3 of 5 optotypes according to age.
- Children ages 3 years should correctly identify 3 of 5 optotypes on the 20/50 line.
- Children aged 4 years should correctly identify 3 of 5 optotypes on the 20/40 line.
- Children aged 5 years and older, and adults, should correctly identify 3 of 5 optotypes on the 20/32 line.
| Brand | Good-Lite |
|---|---|
| Height | 1 in |
| Width | 6 in |
| Length | 6 in |
| Assembly Required | No |
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| Choking Hazard | No |
|---|---|
| Sterile | No |