Why the Test is Performed Tonometry is a test to measure the pressure inside your eyes. The test is used to screen for glaucoma and to measure how well glaucoma treatment is working. People over age 40 years, particularly African Americans, have the highest risk for developing glaucoma.
How often is tonometry done?
This is usually performed on every consultation, and may also be performed multiple times in a single day, as IOP is a quite dynamic parameter, and do vary during different hours of the day, and along different days. Fig. 1. Goldmann Tonometry examination.
How do you check a tonometer?
- Tonometer. After special numbing drops are put in your eye, your doctor gently holds this pencil-shaped device against the outside of your eyeball. …
- “Puff of air.” Your doctor could also use an instrument that blows a small puff of air at your eye while you look into a light.
