Glaucoma screening – partial or total blindness

Who: men and women from the age of 40

When: every five to 10 years, increasing in frequency as you age

How: part of a standard eye examination at an optometrist

A glaucoma test includes a puff test, which measures the reaction of the eye to a concentrated but harmless puff of air. It also includes an eye pressure test, conducted by lightly touching the surface of the eye with a special device, called a tonometer.

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