title: A new ptosis classification. Late spontaneous ptosis.
mesh_terms: D000328:Adult; D000375:Aging; D001763:Blepharoptosis / Q000145:classification* / Q000151:congenital / Q000209:etiology / Q000235:genetics; D002648:Child; D004314:Down Syndrome / Q000150:complications; D006732:Horner Syndrome / Q000150:complications; D006801:Humans; D007231:Infant, Newborn; D008875:Middle Aged; D009135:Muscular Diseases / Q000150:complications; D009157:Myasthenia Gravis / Q000150:complications