Perifovea

Perifovea is a region in the retina of the eye that surrounds the fovea. It is a part of the macula and is responsible for high-acuity vision.

Etymology

The term "perifovea" is derived from the Latin "peri-" meaning "around" or "surrounding", and "fovea" meaning "pit".

Anatomy

The perifovea is located in the central region of the retina, surrounding the fovea. It extends from the edge of the fovea to approximately 2.5 mm from the center of the fovea. The perifovea contains a high concentration of cone cells, which are responsible for color vision and visual acuity.

Function

The primary function of the perifovea is to aid in high-acuity vision. The high concentration of cone cells in the perifovea allows for detailed color vision and the ability to see fine details. The perifovea is particularly important for tasks that require detailed vision, such as reading and recognizing faces.

Clinical significance

Damage to the perifovea can result in a loss of detailed vision and color perception. Conditions that can damage the perifovea include macular degeneration, retinal detachment, and diabetic retinopathy.

See also

• Fovea
• Macula
• Retina
• Cone cells

References

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Perifovea

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  Diagram of the macula
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  Illustration of the macula lutea
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  Optical coherence tomography of the retina
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  Spectral-domain OCT cross-section of the macula
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  Histological image of the macula with OCT
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  Retinography image