Uses
• Establishing baseline contrast sensitivity prior to 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 mounted on durable plastic
• Designed for near testing (40 or 50 cm)
• Low cost
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