The size of the optic cup.
D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D005901:Glaucoma / Q000517:prevention & control; D006801:Humans; D007429:Intraocular Pressure / Q000502:physiology*; D008297:Male; D008403:Mass Screening; D008875:Middle Aged; D009900:Optic Nerve / Q000502:physiology*; D010781:Photography; D012737:Sex Factors