Normal intraocular pressure in man.
Whereas the values of 120/70 mm Hg are universally recognized as being normal for the parameter of systemic blood pressure, the value for 'normal intraocular pressure' remains very vague. Indeed, values between 7 and 21 mm Hg are often considered normal. However, a careful review of the literature and original data reported here suggest that the intraocular pressure in normal subjects, although dynamic, is a more accurate parameter than is generally expected. The normal value during the day in healthy, young adults is about 12 +/- 2 mm Hg, and it increases by 1 mm Hg per decade after 40 years of age.
Martin
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XD
Department of Ophthalmology, University of Zurich, Switzerland.
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002675:Child, Preschool; D002940:Circadian Rhythm / Q000502:physiology; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007429:Intraocular Pressure / Q000502:physiology*; D008297:Male; D008875:Middle Aged; D012016:Reference Values; D014065:Tonometry, Ocular