Low Vision Chart uses large symbols 50M in size corresponding to 1/50 (20/1000, 6/300, 0.02). Smallest symbols are 1M in size corresponding 1/1 (20/20, 6/6, 1.0) at a distance of one meter. Comes with attached cord to maintain the proper testing distance, lorgnette occluder and instructions. Design also courtesy of August Colenbrander, M.D. 16" x 21.5" (40.7 cm x 54.6 cm). Folds to 16" x 10.75" (40.7 cm x 27.3 cm)
272100 Low Vision Lea Number Colenbrander Distance Chart .......... $57.00
Colenbrander Low Vision Chart
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