SKU : 2178US
Two smaller groups 10/25 to 20/8 for repetitive eyesight testing (20/50 to 20/16 equiv.).
Can be wall-mounted.
Sloan
optotype
s were developed by Louise Sloan in 1959. She developed a set of 10
optotype
s that had the same basis as the Snellen
optotype
s, the 5×5 grid. However, Sloan
optotype
s do not use serifs and use a geometric progression. This Sloan chart still uses Snellen equivalents and is calibrated for testing at 10 feet
Two smaller groups 10/25 to 20/8 for repetitive eyesight testing (20/50 to 20/16 equiv.).
Can be wall-mounted.
Sloan
optotype
s were developed by Louise Sloan in 1959. She developed a set of 10
optotype
s that had the same basis as the Snellen
optotype
s, the 5×5 grid. However, Sloan
optotype
s do not use serifs and use a geometric progression. This Sloan chart still uses Snellen equivalents and is calibrated for testing at 10 feet.
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Address:-Divine Eyemed and Healthcare Technologies, Shop no 29, First Floor, P and R Complex, Civil Lines, Jalandhar (Pb) 144001
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