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Home > Wellness Resources > Health Library > Intraocular Pressure
Intraocular (say "in-truh-AW-kyuh-ler") pressure is the pressure caused by the
fluid inside the eye that helps maintain the shape of the eye. The level of
pressure inside the eyes depends on:
The pressure within the eyes varies during the day. Normally,
the pressure inside the eye ranges from 10 millimeters of mercury (mm Hg) to 21
Doctors measure IOP with a tonometry test. This is one of several tests that helps determine your risk for glaucoma.
Current as of:
May 23, 2016
Adam Husney, MD - Family Medicine & Christopher J. Rudnisky, MD, MPH, FRCSC - Ophthalmology
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