lagophthalmos, lagophthalmus
(lăg″ŏf-thăl′mōs)
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(-mŭs)
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[Gr. lagos, hare, + ophthalmos, eye]
An incomplete closure of the palpebral fissure when an attempt is made to shut the eyelids. This results in evaporation of the tear film with exposure of the bulbar conjunctiva and cornea to drying, injury, and/or inflammation. This condition is caused by contraction of a scar of the eyelid, facial nerve injury, atony of the orbicularis palpebrarum, or exophthalmos.
TREATMENT
Artificial tears or other ocular lubricants are needed to prevent corneal ulceration.
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Citation
Venes, Donald, editor. "Lagophthalmos, Lagophthalmus." Taber's Medical Dictionary, 24th ed., F.A. Davis Company, 2021. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/743519/all/lagophthalmos__lagophthalmus.
Lagophthalmos, lagophthalmus. In: Venes DD, ed. Taber's Medical Dictionary. F.A. Davis Company; 2021. https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/743519/all/lagophthalmos__lagophthalmus. Accessed October 10, 2024.
Lagophthalmos, lagophthalmus. (2021). In Venes, D. (Ed.), Taber's Medical Dictionary (24th ed.). F.A. Davis Company. https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/743519/all/lagophthalmos__lagophthalmus
Lagophthalmos, Lagophthalmus [Internet]. In: Venes DD, editors. Taber's Medical Dictionary. F.A. Davis Company; 2021. [cited 2024 October 10]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/743519/all/lagophthalmos__lagophthalmus.
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