Location & Hours

2349 S Wentworth Ave
Chicago, IL 60616
Phone: (312) 808-1893

Mon - Sat: 10am - 6pm
Sunday: Closed

Dr. Crystal Wong

Dr. Wong was born & raised in the neighborhood of Bridgeport in Chicago. She attended Lane Tech High School where she discovered an interest in...

Blog

A common question asked during the eye exam is, “When is the puff coming?”  

Patients are referring to air-puff or non-contact tonometry. Tonometry is the procedure used to measure eye pressure, and this is important for diagnosing and monitoring glaucoma.

In non-contact tonometry, a puff of air is used to measure the pressure inside the eye.  The benefit of this test is there is no actual contact with the eye, but the air puff is sometimes very startling for patients. Some people hate that test and it isn’t the most accurate way to measure your eye pressure.

Some doctors don’t even use the air-puff test. Instead, they place a yellow drop that consists of a numbing medicine and then shine a blue light on the eye. This is done in front of the slit lamp and a small tip gently touches the eye to measure the eye pressure. This procedure is called Goldmann tonometry and is considered the gold standard for measuring eye pressure.  

Another method for checking eye pressure is...

The retina is the nerve tissue that lines the inside back wall of your eye. Light travels through the pupil and lens and is focused on the retina, where it is converted into a neural impulse and transmitted to the brain. If there is a break in the retina, fluid can track underneath the retina and separate it from the eye wall. Depending on the location and degree of retinal detachment, there can be very serious vision loss.

Symptoms

The three 3 F’s are the most common symptoms of a retinal detachment:

  • Flashes: Flashing lights that are usually seen in peripheral (side) vision.

  • Floaters: Hundreds of dark spots that persist in the center of vision.

  • Field cut: Curtain or shadow that usually starts in peripheral vision that may move to involve the center of vision.

Causes

Retinal detachments can be broadly divided into three categories depending on the cause of the detachment:

Rhegmatogenous retinal detachments: Rhegmatogenous means “arising from a...

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