tonometry
Noun: - The measurement of intraocular pressure: Tonometry is a medical procedure used to determine the pressure inside the eye (intraocular pressure or IOP). This is a key test in screening for and managing glaucoma.
Tonometry is a standard part of a comprehensive eye examination, especially for individuals at risk for glaucoma. The procedure involves applying a small amount of force to the cornea to measure its resistance, which correlates with the internal eye pressure.
- The optometrist performed tonometry as part of my annual eye check-up.
- Accurate tonometry is essential for the early detection of glaucoma.
- Several methods of tonometry exist, including the "air puff" test and applanation tonometry.
- Applanation tonometry: A specific, highly accurate method of tonometry that involves flattening a small area of the cornea to measure pressure.
- Non-contact tonometry (NCT): Often called the "air puff test," this method uses a brief puff of air to measure IOP without touching the eye.
- Tonometer (n): The instrument used to perform tonometry.
- Intraocular Pressure (IOP) (n): The fluid pressure inside the eye, which tonometry measures.
- Intraocular pressure measurement
- IOP testing
Tonometry itself is not a treatment or a diagnosis of a specific disease but a diagnostic measurement. High intraocular pressure readings from tonometry are a major risk factor for glaucoma, a condition that can lead to optic nerve damage and vision loss.
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the measurement of intraocular pressure by determining the amount of force needed to make a slight indentation in the cornea
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