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10 ft:  SZN (11 Line) Chart
10 ft: SZN (11 Line) Chart

10 ft: SZN (11 Line) Chart

Your Price: $17.99
(9" x 14") Sloan optotype chart for vision testing at 10 feet. FeaturesTwo smaller groups 10/20 to 10/8 for repetitive eyesight testing (20/40 to 20/16 equivalent). May be wall mounted or used with illuminated cabinets (66003, 66004, 66016, 66090).
Item Number: 662179
Availability:
The Sloan optotypes were developed on the same basis as Snellen optotypes. Sloan optotypes do not use serifs however, but do use a logarithmic geometric progression.

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