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How is applanation tonometry performed?

How is applanation tonometry performed?

This test measures fluid pressure in your eye. The test involves using a slit lamp equipped with forehead and chin supports and a tiny, flat-tipped cone that gently comes into contact with your cornea. The test measures the amount of force needed to temporarily flatten a part of your cornea.

Is applanation tonometry painful?

Because your eye is numb, you’ll feel no pain during this procedure. Tonometry is extremely safe. However, there’s a very small risk that your cornea could be scratched when the tonometer touches your eye. However, even if this happens, your eye will normally heal itself within a few days.

What is the end point of Applanation tonometry?

The correct end point is when the inner edges of the two fluorescein semi-circle images just touch – see Figure ​1.

How can I lower my eye pressure fast?

How can eye pressure be reduced?

  1. Eat a healthy diet that includes lots of fruits and vegetables.
  2. Get regular exercise.
  3. Stay hydrated.
  4. Limit caffeine consumption.

What does IOP test for?

Test Overview A tonometry test measures the pressure inside your eye, which is called intraocular pressure (IOP). This test is used to check for glaucoma, an eye disease that can cause blindness by damaging the nerve in the back of the eye (optic nerve).

What are the types of tonometer?

Types of tonometry

  • Goldmann and Perkins applanation tonometry. The Goldmann applanation tonometer measures the force necessary to flatten a corneal area of 3.06mm diameter.
  • Non-Contact Tonometry. Air Puff Tonometer.
  • Schiotz Tonometer.
  • Pneumotonometer.
  • Tono-Pen.

What is digital tonometer?

Palpation. Palpation (also known as digital tonometry) is the method of estimating intraocular pressure by gently pressing the index finger against the cornea of a closed eye.