LEA NUMBERS® Low Vision Book

  • $100.95
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This Low Vision book with LEA NUMBERS® is designed for testing severely visually impaired children and adults. This complete book includes testing at 10 ft (3 meters) and 16" (40 cm). Distance testing line sizes range from 20/800 to 20/16 equivalent. Near vision testing line sizes range from 20/800 to 20/16 equivalent.

The LEA NUMBERS® Low Vision book can be purchased with binding either on the left side or top. The book can also be purchased alone or as part of a set. Set includes pediatric occluding glasses and metal-framed adult occluding glasses.

When comparing visual acuity results with ETDRS, study results suggest the LEA NUMBERS® Low Vision Book has a slight advantage over the Feinbloom chart when testing individuals with vision impairment.

Click here for the ETDRS Guide.

Click here for the LEA NUMBERS® Low Vision Introduction.

Click here for the NSUOCO Comparison Study.

Click here for the Low Vision Tutorial.

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