Pressure in the eye is called intraocular pressure (IOP). Tonometry tests the amount of pressure in the eye.

Elevated eye pressure can lead to eye damage. This may be part of a disease called glaucoma. If left untreated, glaucoma can cause blindness. Tonometry is used to screen for glaucoma. It is also used to monitor the treatment of glaucoma.

You may have ocular hypertension. This happens when pressure is elevated but is not caused by glaucoma.

Glaucoma
Glaucoma
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