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  2. Perifovea - Wikipedia

    en.wikipedia.org/wiki/Perifovea

    Perifovea is a region in the retina that circumscribes the parafovea and fovea and is a part of the macula lutea. [1] The perifovea is a belt that covers a 10° radius around the fovea and is 1.5 mm wide. [2] [3] The perifovea ends when the Henle's fiber layer disappears and the ganglion cells are one-layered. [4]

  3. Parafovea - Wikipedia

    en.wikipedia.org/wiki/Parafovea

    Parafovea or the parafoveal belt is a region in the retina that circumscribes the fovea and is part of the macula lutea. [1] It is circumscribed by the perifovea.. Photograph of the retina of the human eye, with overlay diagrams showing the positions and sizes of the macula, fovea, and optic disc

  4. Macula - Wikipedia

    en.wikipedia.org/wiki/Macula

    The macula in humans has a diameter of around 5.5 mm (0.22 in) and is subdivided into the umbo, foveola, foveal avascular zone, fovea, parafovea, and perifovea areas. [2] The anatomical macula at a size of 5.5 mm (0.22 in) is much larger than the clinical macula which, at a size of 1.5 mm (0.059 in), corresponds to the anatomical fovea. [3] [4] [5]

  5. Fovea centralis - Wikipedia

    en.wikipedia.org/wiki/Fovea_centralis

    The fovea centralis is a small, central pit composed of closely packed cones in the eye.It is located in the center of the macula lutea of the retina. [1] [2]The fovea is responsible for sharp central vision (also called foveal vision), which is necessary in humans for activities for which visual detail is of primary importance, such as reading and driving.

  6. Fixation (visual) - Wikipedia

    en.wikipedia.org/wiki/Fixation_(visual)

    An animal can exhibit visual fixation if it possess a fovea in the anatomy of their eye. The fovea is typically located at the center of the retina and is the point of clearest vision. The species in which fixational eye movement has been verified thus far include humans, primates, cats, rabbits, turtles, salamanders, and owls.

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  8. Foveola - Wikipedia

    en.wikipedia.org/wiki/Foveola

    Approximately 0.35 mm in diameter, the foveola lies in the center of the fovea and contains only cone cells and a cone-shaped zone of Müller cells. [1] In this region the cone receptors are found to be longer, slimmer, and more densely packed than anywhere else in the retina, thus allowing that region to have the potential to have the highest ...

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