Introduction:

Applanation tonometry is a diagnostic test used to measure intraocular pressure, which is the pressure inside the eye. This test is commonly used to diagnose and monitor conditions such as glaucoma. In this article, we will discuss the procedure and uses of applanation tonometry.

Procedure:

The applanation tonometry test involves using a device called a tonometer to measure the pressure inside the eye. The procedure typically involves the following steps:

• Numbing drops: Before the test, numbing drops are applied to the eye to minimize discomfort.
• Blue light and fluorescein dye: A blue light and fluorescein dye are used to help the doctor see the surface of the eye.
• Tonometer: The tonometer is then gently placed against the surface of the eye to measure the pressure.

Uses:

Applanation tonometry is commonly used to diagnose and monitor conditions such as:

• Glaucoma: Glaucoma is a condition in which the pressure inside the eye damages the optic nerve, leading to vision loss. Applanation tonometry is used to measure intraocular pressure and monitor the progression of the disease.
• Ocular hypertension: Ocular hypertension is a condition in which the pressure inside the eye is higher than normal but does not cause any damage to the optic nerve or vision. Applanation tonometry is used to diagnose and monitor this condition.
• Corneal disorders: Applanation tonometry can also be used to assess the cornea, which is the clear outer layer of the eye. This can help diagnose conditions such as keratoconus, which is a condition that causes the cornea to become thin and bulge.

Conclusion:

Applanation tonometry is a diagnostic test used to measure intraocular pressure, which is the pressure inside the eye. The test involves using a tonometer to measure the pressure and is commonly used to diagnose and monitor conditions such as glaucoma, ocular hypertension, and corneal disorders.

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