March 17 20:30 2019 Print This Article


  • The test is often part of a routine eye exam.
  • To monitor treatment for glaucoma.
  • Tonometry can be used to determine whether medication is keeping your intraocular pressure below a set target pressure determined by your doctor.

What the risks are?

  • The test might make you feel like blinking, but it does not cause any pain.
  • There is a small chance the cornea may be scratched.
  • There is also a very slight risk of an eye infection or an allergic reaction to the eyedrops used to numb the surface of your eyes.

How to prepare for the test?

  • Tell your doctor if you or someone in your family has glaucoma or risk factors for glaucoma.
  • Tell your doctor if you are taking any drugs.
  • Do not smoke marijuana for 24 hours before the test.
  • A topical anesthetic is applied to the eyes.
  • Do not drink alcohol for 12 hours before the test.
  Article "tagged" as: