Eyelens parts

To make sure that you're getting the product you paid for and that it's up to safety standards, you can test the lenses of your sunglasses to see if they really are polarized. The anti-glare technology in the lenses, which shields your eyes from the sun, has unique qualities that are very different from non-polarized lenses. To see whether or not your sunglasses are polarized, test the lenses by using a reflective surface, looking at a computer screen, or comparing your pair very carefully to another one.

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This article was co-authored by Alexander Knezevic, MD. Dr. Alexander Knezevic is an Ophthalmologist at the Macy Eye Center in Los Angeles, California. He also is Medical Staff at Cedars-Sinai Medical Center and is a Clinical Instructor of Ophthalmology at UCLA. He graduated with his Doctor of Medicine degree from the University of Nebraska Medical Center, and he completed his Residency at the McGaw Medical Center of Northwestern University. Dr. Knezevic did his Fellowship at the University of California-Irvine, and he’s board certified by the American Board of Ophthalmology. Additionally, Healthgrades has awarded him their Honor Roll award. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 463,021 times.

Cameralens partsdiagram

If you aren’t sure how to tell if your sunglasses are polarized, find a reflective surface that produces glare, like a mirror or a reflective tabletop. Hold your glasses about 6-8 inches in front of your eyes and tilt them at a 60° angle. Look through the lens and check the level of the glare. If the sunglasses are polarized, you will notice that the glare disappears. Keep reading to learn how to compare 2 pairs of sunglasses! Did this summary help you?YesNo