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G. Gonzalez-Esnaurrizar; The Epidemiology and Etiology of Ptosis in a Ophthalmic Center. Invest. Ophthalmol. Vis. Sci. 2008;49(13):640.
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To evaluate the frequency of etiology of ptosis in a ophthalmic center . and the prevalence in the pediatric , and adult group
A retrospective review of all patients , seen in an ophthalmology center that present ptosis between 2006 to 2007 , and make and statistical analysis to underlying etiologies , by statistical program SPSS
The average of aponeurotic ptosis in females is 67.83 age , and males 68.19 age, In congenital ptosis the average in females 12. 27 age ,and males 8.57 age, for mechanical ptosis the average in females 49.41 age, in males 43.30 age, for myogenic ptosis the average in females 53.45 age , in males 43.30 age , for neurogenic ptosis the average in females is 43.6 age, 32.62 age in male and for traumatic ptosis average in females 35.12 age , and in males 33.4 age.
Congenital ptosis accompany craniofacial syndromes in 5% presenting blepharophimosis syndrome and Marcus Gunn jaw wink syndrome , and only one case of Noonan's Syndrome.The most common cause of ptosis in adults was aponeurotic, and the most rare cause was myogenic and of this type: oculopharyngeal dystrophy,myotonic dystrophy , chronic progressive external opthalmoplegia.
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