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Intraocular Pressure (IOP)
OVERVIEW
The intraocular pressure, an important part of any eye exam, is measured with a special instrument called a tonometer. The IOP is determined by a balance of the eye’s production and drainage of aqueous (the clear fluid inside the eye) from the anterior chamber into the trabecular meshwork. If the IOP is elevated, it can cause pressure within the eye to increase and damage the optic nerve. Since abnormal pressures usually don’t cause symptoms, it’s very important to have the pressure checked regularly.
St. Luke's Cataract & Laser
Institute provides this on-line information for educational and
communication purposes only and it should not be construed as
personal medical advice. Information published on this St.
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consultation with an eye care professional regarding the
viewer/user's own medical care. St. Luke's disclaims any and
all liability for injury or other damages that could result from use
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