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Home » Your Eye Health » Eye Exams » Common Tests » Puffer Test

Puffer Test

Most people who’ve had a comprehensive eye exam are familiar with the puffer test. A puffer test is what it sounds like: With your head resting in the chinrest of a diagnostic machine called a slit lamp, your eye doctor uses a puff of air across the surface of the eye to measure the intraocular pressure, “inside” pressure, of the eye.
 
High pressure is a key indicator of glaucoma, a series of eye diseases that attacks the optic nerve.

How does a puffer test work?

Puff tests are quick and largely without discomfort. You’ll look at a light inside the machine while your eye doctor blows a gentle puff of air across the surface of your open eye. A device called a tonometer measures the eye’s resistance to the air, and calculates your internal eye pressure.
This usually takes only a few moments, and while your eye might water slightly, the procedure is generally over before you know it!
 
A puffer test is a part of glaucoma testing, and is a routine part of a comprehensive eye exam. Glaucoma is a serious disease of the optic nerve, and often doesn’t present itself until vision becomes impaired—that’s why it’s so important to have a puffer test to measure your intraocular pressure.
 

 Special thanks to the EyeGlass Guide, for informational material that aided in the creation of this website. Visit the EyeGlass Guide today!

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Pursuant to guidance by the Massachusetts state authorities, McAlear Eye Care will be closed beginning Wednesday 3/18/2020 until 4/6/2020. Dr. McAlear will be available by special appointment for any urgent issues by calling and leaving a message on voicemail. Please follow the prompts on the message as directed. We will be open on Thursday 3/19/2020 from 5pm-7pm for glasses and contact pick-ups only. We wish you all health and well-being at an unprecedented time.