Exophoria | |
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Specialty | Ophthalmology |
Exophoria is a form of heterophoria in which there is a tendency of the eyes to deviate outward. [1] During examination, when the eyes are dissociated, the visual axes will appear to diverge away from one another. [2]
The axis deviation in exophoria is usually mild compared with that of exotropia.
Exophoria can be caused by several factors, which include:
These can be due to nerve, muscle, or congenital problems, or due to mechanical anomalies. Unlike exotropia, fusion is possible in this condition, causing diplopia to be uncommon.
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Exophoria is common in infancy and childhood, and increases with age. [3] [ clarification needed ]
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