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ETDRS Original Series Chart Set of 3

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SKU : JVSL

An original series ETDRS eye chart with proportionally spaced (geometric progression) lines; line sizes range from 13/131 to 13/6.5 (4/40 to 4/2) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. Features the standardized format used in National Eye Institute clinical studies and in low vision evaluations that require accurate and repeatable visual acuity measurements.

An original series ETDRS eye chart with proportionally spaced (geometric progression) lines; line sizes range from 13/131 to 13/6.5 (4/40 to 4/2) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. Features the standardized format used in National Eye Institute clinical studies and in low vision evaluations that require accurate and repeatable visual acuity measurements.

The Standard ETDRS style chart is printed on .01 thick styrene plastic making the chart more rigid.

The Standard version is ESV3000 ETDRS Clinical Trial Standardized Viewer and ESC2000 Illuminated ETDRS Clinical Trial Cabinet compatible.

Dimensions: 24.5″ x 25.5″ (62 cm x 65 cm).

Testing distance: 13 feet/4 meters.

 

SKU: JVSL Categories: ,
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