Arcus senilis
Arcus senilis
Arcus senilis (/ˈɑːrkəs sɪˈnaɪlɪs/), also known as gerontoxon, is a medical condition characterized by a grey or white arc visible above and below the outer part of the cornea.
Etymology
The term "arcus senilis" originates from the Latin words "arcus" meaning bow or arc, and "senilis" meaning of old age. The term "gerontoxon" is derived from the Greek words "geron" meaning old man and "toxon" meaning bow.
Definition
Arcus senilis is a common condition in the elderly, where a ring of lipids accumulates in the peripheral cornea. It appears as a white, grey, or blue ring or arc in front of the periphery of the iris. It is a benign condition and does not affect vision.
Causes
Arcus senilis is caused by the deposition of lipids in the cornea. It is often associated with aging, but can also be associated with high cholesterol levels and certain genetic disorders.
Symptoms
The primary symptom of arcus senilis is the visible arc or ring around the iris. There are typically no other symptoms, and the condition does not affect vision.
Diagnosis
Arcus senilis is diagnosed through a routine eye examination. The presence of the arc or ring is usually enough to diagnose the condition.
Treatment
There is no specific treatment for arcus senilis as it is a benign condition. However, if it is associated with high cholesterol levels, treatment for this condition may be recommended.
Related Terms
External links
- Medical encyclopedia article on Arcus senilis
- Wikipedia's article - Arcus senilis
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