title: The use of photogrammetry in evaluating the cup of the optic nervehead for a study in chronic simple glaucoma.
mesh_terms: D005654:Fundus Oculi; D005901:Glaucoma / Q000150:complications*; D006801:Humans; D008433:Mathematics; D008722:Methods; D009900:Optic Nerve; D010781:Photography / Q000295:instrumentation*; D012164:Retinal Diseases / Q000175:diagnosis / Q000209:etiology