Parafovea
Parafovea
Parafovea (pronunciation: /pærəˈfoʊviə/) is a term used in Ophthalmology to describe a region of the retina that is located around the fovea.
Etymology
The term "Parafovea" is derived from the Greek words "para", meaning beside, and "fovea", meaning pit. This is in reference to the location of the parafovea, which is situated around the fovea, a small depression in the retina where visual acuity is highest.
Definition
The parafovea is a ring-shaped region of the retina that surrounds the fovea. It extends from the edge of the fovea to approximately 1.25 mm from the center of the fovea. The parafovea is part of the macula, an area of the retina that is responsible for central, high-resolution color vision.
Related Terms
- Fovea: A small depression in the retina where visual acuity is highest.
- Macula: An area of the retina that is responsible for central, high-resolution color vision.
- Perifovea: The region of the retina that surrounds the parafovea and fovea.
- Retina: The light-sensitive layer of tissue at the back of the inner eye.
See Also
External links
- Medical encyclopedia article on Parafovea
- Wikipedia's article - Parafovea
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