For testing at 2 meters (6.5 ft.)
Acuity range 20M to 1M (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 an accurate and practical way to measure changes after surgeries such as LASIK or PRK. By testing contrast sensitivity in post surgery patients, a wider and more descriptive record of changes is created. Although acuity is important, contrast sensitivity is crucial in everyday life.
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