Applanation tonometry is a method used by eye doctors to measure the pressure inside your eye, known as intraocular pressure (IOP). This pressure is important because it helps maintain the eye's shape and function. However, too much pressure can damage the optic nerve, leading to a condition called glaucoma.
To measure IOP, the doctor uses a special tool called an applanation tonometer. This tool is attached to a slit lamp, a device that provides a magnified view of the eye. A small amount of a dye called fluorescein is placed in the eye to help the doctor see the surface clearly.
The tonometer is gently placed on the cornea, the clear front part of the eye. It flattens a small area of the cornea, and the amount of force needed to do this is measured. This measurement is then converted into a pressure reading, which is the IOP.
The whole process is quick and painless. It's a routine part of eye exams and helps your doctor monitor your eye health. If your IOP is too high, it may indicate a risk of glaucoma, and your doctor will recommend further tests and treatment.
Remember, early detection and treatment of glaucoma are crucial for preserving your vision. Regular eye exams, including applanation tonometry, are essential for maintaining good eye health.
Would you like to know more about glaucoma or other eye conditions? Please write in the comments.
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