Sources of variation in tonometry.
D000328:Adult; D000368:Aged; D000375:Aging; D002940:Circadian Rhythm; D005260:Female; D005901:Glaucoma / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012723:Sex; D014065:Tonometry, Ocular / Q000295:instrumentation