Low Vision Folding Chart uses large Lea Symbols 50M in sizes corresponding to 1/50 (20/1000, 6/300, 0.02), 1/40, 1/30, 1/25, 1/20, 1/16, 1/12, 1/10, 1/8, 1/6, 1/5, 1/4, 1/3, 1/2.5, 1/2, 1/1.6, 1/1.25, to the smallest Symbols at 1M in size corresponding 1/1 (20/20, 6/6, 1.0) all at a distance of one meter.

Comes with attached cord to maintain the proper testing distance, Lorgnette Occluder and instructions.  Use at 40 inches (1 Meter).

Includes response key, flash cards and instructions. 16" x 21.5" (40.7 cm x 54.6 cm). Folds to 16" x 10.75" (40.7 cm x 27.3 cm). 

This test is designed for testing children and adults with visual impairment at a distance of one meter. The largest symbols are 50M in size, corresponding to 1m/50M = to 1/50 or decimal visual acuity 0.02, equivalent values 20/1000, 6/300. The smallest symbols are 1M in size corresponding to 1m/1M = to 1/1 or decimal visual acuity 1.00, equivalent values 20/20, 6/6. Designed courtesy of August Colenbrander, MD. Chart measures 16" x 21.5"(40.7 cm x 54.6 cm). Folds to 16" x 10.75" (40.7 cm x 27.3 cm).

40 inches/1 meter testing distance

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