Mars Contrast Sensitivity Test - Numbers

Uses

• Establishing baseline contrast sensitivity before and after an intervention(such as cataract extraction, LASIK, or other refractive surgery)
• Identifying functional losses in low contrast perception (often associated with glare sensitivity)
• Monitoring effects of disease progression on function

Features and Benefits

• Three charts, for the left eye, right eye, and binocular testing, or for repeated testing without letter sequence memorization
• Rapid administration, with easy, accurate scoring
• Easy to store and protect
• Easy to illuminate (e.g., with instrument stand lamp)
• Each chart is mounted on durable plastic