• Nineteen eyelids were examined histologically in cases of involutional blepharoptosis. Aponeurogenic defects were demonstrated in the majority of cases. A revised classification of acquired blepharoptosis, and the procedure of choice for the correction of this entity are discussed.
Dortzbach RK, Sutula FC. Involutional BlepharoptosisA Histopathological Study. Arch Ophthalmol. 1980;98(11):2045–2049. doi:10.1001/archopht.1980.01020040897022
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