"Person"@en . "Person"@en . . . . . "Friedman, Alan H."@en . . _:b1 . _:b1 "initial version"@en . _:b1 "2018-12-11T14:29:02-06:00" . _:b1 "Diana Dulek" . "Source: The Eye: Anatomy, Physiology, Diseases, and Disorders."@en . . . .