Bergin, Donald J. Management and surgery of congenital and acquired ptosis [videorecording] / by Donald J. Bergin. - San Francisco : American Academy of Ophthalmology, 1990. - 1 videocassette (VHS) ( 39 min. ) : sd, col. ; 1/2 in. LCCN: 02-50923 Subjects--Topical Terms: Blepharoptosis.Blepharoplasty.Eyelids--Diseases.