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lagophthalmos

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lagophthalmos /lag·oph·thal·mos/ (lag″of-thal´mos) inability to shut the eyes completely.
lagophthalmos
[lag′əfthal′məs]
Etymology: Gk, lagos, hare, ophthalmos, eye
an abnormal condition in which an eye may not be fully closed because of a neurologic, muscular, or mechanical disorder.

lagophthalmos [lag″of-thal´mos]
inability to shut the eyes completely.

lagophthalmos
incomplete or defective closure of the eyelids.

geriatric lagophthalmos
may occur as a result of facial neuropathy or hypothyroidism.
lagophthalmos keratitis
see exposure keratitis.

lagophthalmos
Failure of the upper eyelid to close the eye completely. During sleep, about one-third of the population has a slight lagophthalmos. See ectropion; exposure keratopathy.


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In presence of lagophthalmos, taping the eyelids closed during the night is useful to prevent nocturnal corneal drying.
The most commonly used method of surgical correction of paralytic lagophthalmos is gold-weight lid loading (figure).
 
 
 
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