Good-Lite Sloan Letters Low Contrast Chart
Sloan Letters Low Contrast Chart
This Adult Low Contrast sensitivity testing chart is identical to the measurement of visual acuity at a high contrast level i.e. measures the smallest size of the optotypes that the person can recognize. The 2.5% test is the most practical test in clinical use. This distance vision test is available in 1.25% 2.5% 5% 10% and 25% contrast levels. Each chart includes recording forms and instructions. 9" x 14" (22.9 cm x 35.6 cm).