- Description
-
Evans contrast test – ELCT chart “1„
12 contrast levels from standard 100% contrast to 1.65 log contrast or 2.24% contrast.
Studies show that 1.65 log contrast corresponds to the contrast sensitivity of the elderly normal population,
(based on the Weber contrast),
Format: 62 cm x 65 cm
GOOD-LITE®: 500331
You may also be interested in the following product(s)
