"Person"@en . "Person"@en . . . . . "McDonnell, Peter J."@en . . _:b1 . _:b1 "initial version"@en . _:b1 "2019-06-10T15:36:05-05:00" . _:b1 "Diana Dulek" . "Source: The Eye: Anatomy, Physiology, Diseases, and Disorders."@en . . . .