Anisocoria
Anisocoria
Anisocoria (pronunciation: /ˌænɪsoʊˈkɔːriə/) is a condition characterized by an unequal size of the eyes' pupils. The term is derived from the Greek words "aniso" meaning unequal and "koria" meaning pupil.
Definition
Anisocoria is a symptom where a person's two pupils are of unequal sizes. This condition can be a normal variant, or it can be a sign of a more serious medical condition. The difference in size may be constant or it may come and go.
Causes
Anisocoria can be caused by a number of factors, including eye injury, eye disease, neurological disorder, or the use of certain medications. It can also be a normal variant, present in about 20% of the population.
Symptoms
The primary symptom of anisocoria is that one pupil is noticeably larger than the other. Depending on the cause, other symptoms may include blurred vision, headache, eye pain, and light sensitivity.
Diagnosis
Diagnosis of anisocoria involves a thorough eye examination by an ophthalmologist or optometrist. This may include tests to measure the size of the pupils in different lighting conditions, and to assess the reaction of the pupils to light.
Treatment
Treatment for anisocoria depends on the underlying cause. If the condition is caused by a medication, it may be necessary to discontinue or change the medication. If it is caused by an eye disease or neurological disorder, treatment will focus on managing the underlying condition.
See also
External links
- Medical encyclopedia article on Anisocoria
- Wikipedia's article - Anisocoria
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