'Thinning' of the neural rim of the optic nerve-head. An altered state, providing a new ophthalmoscopic sign associated with characteristics of glaucoma.
D000328:Adult; D000368:Aged; D005260:Female; D005654:Fundus Oculi; D005901:Glaucoma / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D006801:Humans; D007429:Intraocular Pressure; D008266:Macula Lutea / Q000473:pathology; D008297:Male; D008499:Medical Records; D008722:Methods; D008875:Middle Aged; D009887:Ophthalmoscopy; D009900:Optic Nerve / Q000473:pathology*; D014065:Tonometry, Ocular