This book features 50% spaced contour interaction bars to provide single optotype acuity with the proper crowding effect. Optotype line sizes from 20/100 to 20/16 (6/30 to 6/4.8) equivalent.
Includes response key, flash cards and instructions. 30 cards per set.
4” x 4” (10 cm x 10 cm).
259200.
Lea Symbols - 50 percent Spaced Crowding Bars - 10 Feet (3 M)
- Brand: Good-Lite
- Product Code: 259200
- Availability: In Stock
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Tags: Lea Symbols, 50 percent Spaced, Crowding, Bars