fovea :

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fovea


  • n  area consisting of a small depression in the retina containing cones and where vision is most acute

  • An electron micrograph of a human retina shows the crater-like macula, with the fovea at its center.
  • This is larger than the fovea centralis, the part of the retina that is used in accurate vision.
  • One is a highly sensitive dimplelike spot on the retina (the fovea centralisliterally, "central pit"), which acts as a magnifying device to spread the image over a greater .

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