The ETDRS test is now the US standard for evaluating LogMAR acuity. This CSV1000 ETDRS chart test provides standardized testing of ETDRS acuity. The CSV1000 is the only instrument in which ETDRS acuity can be tested at the standardized light level of 85 cd/m2.
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The CSV1000S test is widely used for in or out-of-office screenings and for cataract evaluation. This test presents standard visual acuity from 20/15 to 20/200, two rows of spatial frequencies (6 and...
The CSV1000 -1.5CPD Chart is a special test designed specifically for Food and Drug Administration clinical trials. At the recommended test distance of 8 feet, the gratings test one spatial frequency...
An ETDRS eye chart. Part of the Chart R Original series for 10 feet/3 meters with proportionally spaced (geometric progression) lines; line sizes range from 10/100 to 10/5 (3/30 to 3/1.5) equivalent...
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...
This test provides for 4 rows of sine-wave gratings. At the recommended test distance of 8 ft (2.5 meters), these gratings test the spatial frequencies of 3, 6, 12, and 18 cycles/degree. The...
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