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Aponeurosis disinsertion in congenital entropion.

Authors
Type
Published Article
Journal
Archives of Ophthalmology
0003-9950
Publisher
American Medical Association
Publication Date
Volume
101
Issue
3
Pages
436–440
Identifiers
PMID: 6830498
Source
Medline

Abstract

Lower lid retractor aponeurosis disinsertion is a well-recognized etiologic factor in many involutional entropion cases, but to our knowledge it has not previously been reported as a cause of congenital entropion. Four congenitally entropic lower eyelids in three patients with no history of birth trauma were all found to have retractor disinsertion during exploratory procedures. All four eyelids were surgically corrected by reinserting the retractors to the inferior tarsal margin. Detailed histologic studies of orbicularis oculi muscle fibers in two cases showed no evidence of fiber hypertrophy. This finding refutes the commonly accepted concept of orbicularis muscle hypertrophy as an etiologic mechanism of congenital entropion.

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