Good-Lite Distance Snellen Letter Chart 20 Ft and 10 Ft on Reverse Side with Red

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GLT01721
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10 and 20 FT (3 and 6 M) Snellen Chart

Standard Snellen Chart on styrene 11x23 inches with rounded corners (27.5x60 cm). Includes lines for 20/10 20/13 20/15 20/20 20/25 20/30 20/40 20/50 20/70 20/100 and 20/200. Includes 20 Ft Snellen and M notations. Green bar at 20/30 and red bar at 20/20.