A depression in the center of the macula of the retina, the area of the most acute vision, where only cones are present and where blood vessels are lacking. Also called central fovea, central pit. fovea is responsible for sharp central vision (also called foveal vision), which is necessary in humans for reading, driving, and any activity where visual detail is of primary importance. Fovea (or Fovea centralis) is the depression in the inner retinal surface, about 1.5 mm wide, the photoreceptor layer of which is entirely cones and which is specialized for maximum visual acuity.
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