For testing at 2.5 meters (8.3 ft.)
Acuity range 25.2M to 1.0M (20/200, 6/60 to 20/10, 6/3 equiv.)
Test includes soft-tipped pointer, 50 recording forms (CAT. NO. 2514) and test instructions
Measures 62 X 65 cm (24.5 X 25.5 in.)
CAT. NO. 2425 Illuminator Cabinet is necessary with these translucent low contrast charts
Contrast sensitivity testing is useful for the early detection of several vision problems and diseases. Cataracts, Glaucoma, and Parkinson's can all be detected through regular contrast vision exams. Early detection can lead to better results in therapy and treatments.