Pallor of the optic disc. Quantitative photographic evaluation.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005260:Female; D005901:Glaucoma / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009900:Optic Nerve / Q000033:anatomy & histology* / Q000473:pathology; D010781:Photography; D013223:Statistics as Topic