Photogrammetry of the optic disc.
D005128:Eye Diseases / Q000175:diagnosis; D005654:Fundus Oculi; D006801:Humans; D009885:Ophthalmology / Q000295:instrumentation; D009900:Optic Nerve; D010211:Papilledema / Q000175:diagnosis; D010781:Photography / Q000295:instrumentation