A scene as it might look to a person with normal vision. Normal vision occurs when light is focused directly on the retina rather than in front or behind it.
Normal Vision
By Troy Bedinghaus, O.D., About.com Guide
Updated October 09, 2007
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
Normal vision
Image © National Eye Institute, National Institutes of HealthPrev Next
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