fovea
(yellow spot) part of re, area consisting of a small depression in the retina containing cones and where vision is most acute
The fovea is a part of the retina located in the center of the macula. It is a small indentation in the retina, measuring only about 1.5 mm in diameter, and contains a high density of cone cells, which are responsible for color vision and visual acuity.
The fovea is an important structure for vision because it is the point in the eye where the light entering the eye is focused. This area has the greatest concentration of photoreceptor cells, which means that it has the highest level of visual detail and the greatest sensitivity to color and contrast. Because of this concentration of photoreceptors, the fovea is responsible for our ability to see fine details and to read and recognize faces and text.
It is important to protect the fovea from damage since any damage to this area can lead to a loss of central vision and make it difficult to see details or to perform tasks that require visual acuity. Additionally, conditions such as macular degeneration, diabetic retinopathy, and other diseases can affect the function of the fovea, leading to a loss of visual function.
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