Optic disc size.
Lempert
P
P
D002829:Choroid / Q000098:blood supply; D006801:Humans; D009389:Neovascularization, Pathologic / Q000209:etiology / Q000473:pathology; D009898:Optic Disk / Q000033:anatomy & histology* / Q000473:pathology; D010781:Photography / Q000379:methods