2008
DOI: 10.1016/j.ajo.2008.02.002
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Levator Superioris Muscle Function in Involutional Blepharoptosis

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Cited by 32 publications
(14 citation statements)
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“…The authors also commented on the thick orbicularis muscle and prominence of fat tissue in Koreans [23]. The contribution of abnormalities in the levator muscle itself to involutional ptosis has also been reported in a Western study [24]. A large proportion of cases with severe ptosis and poor LF among those with congenital ptosis was also noted in this study.…”
Section: Discussionsupporting
confidence: 74%
“…The authors also commented on the thick orbicularis muscle and prominence of fat tissue in Koreans [23]. The contribution of abnormalities in the levator muscle itself to involutional ptosis has also been reported in a Western study [24]. A large proportion of cases with severe ptosis and poor LF among those with congenital ptosis was also noted in this study.…”
Section: Discussionsupporting
confidence: 74%
“…2 Recently, there was a Western study to suggest that abnormalities in the levator muscle itself may contribute to the involutional ptosis. 11 However, even in the research, the ptotic eyes had good levator function, ranging from 11.0 to 20.0 mm, with a mean of 15.0 mm. Also, in Korean patients, the levator muscle may require additional effort to lift the eyelid because of the thick orbicularis muscle and the prominence of fat tissue.…”
Section: Discussionmentioning
confidence: 97%
“…Decreased levator function in eyes with fatty levator muscles and a significant correlation between levator function and eyelid height have been reported. 11,20 Previous studies have reported a correlation between fat tissue accumulation and involutional ptosis. Fatty infiltration of the levator or Müller muscle was demonstrated in histopathologic studies of involutional ptosis.…”
Section: Discussionmentioning
confidence: 98%
“…Martin and Tenzel [15] proposed that the high incidence of levator aponeurosis dehiscence and disinsertion in involutional ptosis was iatrogenic and that through careful dissection, aponeurotic defects decreased dramatically. Pereira et al [16] showed that levator function in involutional ptosis is subnormal, suggesting more of a myogenic cause to involutional ptosis rather than aponeurotic. All of these studies question the validity of aponeurotic defects in the cause of involutional ptosis.…”
Section: Popularity Of the Posterior Approach Plummetsmentioning
confidence: 97%