Overview
Background
Entropion is a malposition resulting in inversion of the eyelid margin. [1] The morbidity of entropion is a result of ocular surface irritation and damage. Successful management of entropion depends on appropriate classification and a procedural choice that adequately addresses the underlying abnormality. [1]
Involutional entropion. Note overriding orbicularis oculi muscle, eyelid margin entropion, and relative enophthalmos with deep superior sulcus.
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Pathophysiology
The pathophysiology of entropion depends on the type of entropion seen and is discussed below.
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Epidemiology
Mortality/Morbidity
The primary morbidity is ocular surface irritation. Corneal abrasions and scars can occur.
Sex
Entropion has no sexual predilection.
Age
Although all ages can be affected, entropion is seen primarily in older adults.
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Media Gallery
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Involutional entropion. Note overriding orbicularis oculi muscle, eyelid margin entropion, and relative enophthalmos with deep superior sulcus.
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Involutional entropion. Correction of entropion with eyelid retractor reattachment and lateral canthopexy.
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Cicatricial entropion of upper eyelid. Note eyelid margin inversion.
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Cicatricial entropion of the upper eyelid with eyelid everted. Note scar tissue involving tarsal conjunctiva.
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Left lower eyelid cicatricial entropion with lower eyelid retraction.
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Left lower eyelid posterior lamellar cicatrix
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Repair of left lower eyelid cicatricial entropion and retraction with cicatrix release and hard-palate mucosal graft.
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