| 词条 | Exophoria |
| 释义 |
| name = Exophoria | image = | caption = | | pronounce = | field = opthalmology | synonyms = | symptoms = | complications = | onset = | duration = | types = | causes = | risks = | diagnosis = | differential = | prevention = | treatment = | medication = | prognosis = | frequency = | deaths = }}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. CauseExophoria 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. Diagnosis{{Empty section|date=April 2018}}PrevalenceExophoria is particularly common in infancy and childhood, and increases with age.[3]{{clarify|date=October 2012}} References1. ^{{cite book|title= The science of higher prisms|last= Allen|first= Edmund Turney|authorlink= Edmund Turney Allen|year= 1899|publisher= G. K. Hazlitt 6 Co., printer|location= Harvard University|isbn=|page= 39|pages=|url= https://books.google.com/books?id=XeIYAAAAYAAJ&pg=PA39&dq=Exophoria&hl=en&ei=XBWBTPGtDIKBlAfS3uCyDw&sa=X&oi=book_result&ct=result&resnum=2&ved=0CCwQ6AEwAQ#v=onepage&q=Exophoria&f=false}} 2. ^{{cite book|title= Primary Care Optometry 5th Ed|last= Grosvenor|first= Theodore|year= 2007|publisher= |location= Butterworth-Heinemann |isbn= 978-0-7506-7575-8 |page= 224|pages= |url=}} 3. ^{{Cite journal|vauthors=Freier BE, Pickwell LD |title=Physiological exophoria |journal=Ophthalmic and Physiological Optics |volume=3 |pages=267–272 |year=1983 |doi=10.1111/j.1475-1313.1983.tb00613.x}} External links{{Medical resources| DiseasesDB = | ICD10 = {{ICD10|H|50|5|h|49}} | ICD9 = {{ICD9|378.42}} | ICDO = | OMIM = | MedlinePlus = | eMedicineSubj = | eMedicineTopic = | MeshID = }}{{Eye pathology}}{{eye-stub}} 1 : Disorders of ocular muscles, binocular movement, accommodation and refraction |
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