| Description | Contrast sensitivity is the ability of the visual system to detect large but faint targets. There are
some pathological conditions that reduce contrast sensitivity without impairing visual acuity,
and the test will help in the identification of | Standard reading test. "Children should be..." | Standard reading test. "Clearing weather..." | Standard reading test. 'It was the month of May' | Rosenbaum card fits in the pocket (3.5 by 6.5") and shows point, Jaeger and distance equivalents from 20/800 to 20/20. Uses numbers, directional E’s and XO patterns. For use at 14" (35 mm). Includes full moon pupil gauge 2, 3, 4, 5, 6, 7, 8, 9 mm. |