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The perifovea is an anatomical region of the human retina, located around the fovea. It is characterized by a diminishing density of cones, with approximately 12 cones per hundred microns compared to 50 per hundred microns in the central fovea. This region surrounds the parafovea, which itself surrounds the fovea. The perifovea is part of the macula lutea, a larger area of the retina containing yellow pigment. The density of photoreceptors in the perifovea, particularly cones, is lower than in the central fovea, which impacts visual acuity in this area.12

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