Abstract：
PURPOSE:To assess the role of muscular degeneration, we evaluated the correlation between ptosis severity and levator muscle function. DESIGN:Retrospective cohort study. METHODS:The medical records of 136 patients (53 men and 83 women; mean age, 67 years) with acquired blepharoptosis were reviewed for levator function (LF), margin reflex distance (MRD), age, and gender. Multivariate linear regression was performed for statistical analysis. RESULTS:A significant correlation (P < .001) was seen between MRD (mean, 1.0 + 1.0 mm; range, -3.0 to 3.0 mm) and LF (mean, 15.0 + 1.0 mm; range, 11.0 to 20.0 mm). On average, a 0.5-mm reduction in LF was observed for each 1.0-mm decrease in MRD. This was independent to other variables assessed. CONCLUSIONS:In patients with involutional blepharoptosis, a directly proportional decrease in levator function and eyelid height was observed. This may implicate an abnormality of the levator muscle itself as a contributing factor in the development of involutional blepharoptosis.
journal_name
Am J Ophthalmoljournal_title
American journal of ophthalmologyauthors
Pereira LS,Hwang TN,Kersten RC,Ray K,McCulley TJdoi
10.1016/j.ajo.2008.02.002subject
Has Abstractpub_date
2008-06-01 00:00:00pages
1095-1098issue
6eissn
0002-9394issn
1879-1891pii
S0002-9394(08)00106-2journal_volume
145pub_type
杂志文章abstract：:A retrospective study of 45 patients with low-tension glaucoma revealed the mean age at diagnosis to be 66 years. Seventeen patients had follow-up visual field examinations, the average follow-up period being 6.4 years. There was no significant difference in prognosis of the ocular course between patients with Po/C eq...
journal_title：American journal of ophthalmology
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journal_title：American journal of ophthalmology
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journal_title：American journal of ophthalmology
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journal_title：American journal of ophthalmology
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journal_title：American journal of ophthalmology
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abstract：:Tissue for pathologic examination was obtained from three cases of acute retinal necrosis syndrome. Virus particles belonging to the herpesvirus family were demonstrated in retinal biopsies from two patients, one of whom was immunosuppressed. Despite removal of large biopsy specimens, the retina has remained attached ...
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