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Product Details
✓DURABLE WATERPROOF PVC: Made of thick, durable, waterproof PVC with a matte anti-glare finish that removes reflections and glare for clear, accurate reading
✓STANDARD OPTOTYPE SIZING: Each letter is sized by the one-minute visual angle principle for precise, standardized visual acuity measurement at 20 feet
✓INCLUDES OCCLUDER AND POINTER: Comes with an eye occluder and a pointer for guided, one-eye-at-a-time testing; the chart ships rolled and mounts flat on the wall
✓MOUNT FOR ACCURATE RESULTS: Keep it flat, vertical, and out of direct sunlight or dim light, and read the 20/20 line at 20 feet for a standard acuity check
✓FOR CLINICS, SCHOOLS, AND HOME: Suits eye clinics, hospitals, schools, and home vision checks; this chart works well for readers checking letter acuity