Kara Hartl, MD, FACS
Board Certified Ophthalmologist
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Co-authored Articles (7)
How to
Tell if Glasses Block Blue Light
There’s a lot of hype around blue light blocking glasses and a million brands to choose from, but how can you tell if your glasses are actually blocking blue light? Thankfully, you don’t have to be an optometrist to ...
4 of the Best DIY Glasses Cleaners for Uncoated & Coated Lenses
Remove dust and smudges from your eyeglasses easilyMaking your own glasses cleaner is a cheap, easy way to make sure your lenses are smudge-free. Using ingredients you have on hand, from dish soap or witch hazel to vineg...
How to
Read an Eyeglass Prescription
Learn to decode the values on your eyeglasses or contact lens prescription If you wear glasses, it’s useful to be able to read your prescription – especially if you want to order new specs from an online retailer. Wh...
How to
Test Blue Light Glasses
Blue light glasses can be a great way to protect your eyes and get good rest at night, but not all pairs are equally effective. If you want to test the effectiveness of your blue light glasses or are curious about learni...
How to
Do DIY Anti Fog Glasses
If you wear glasses, you know how obnoxious it is to have your glasses constantly fogging up while you’re wearing a mask. Luckily, this TikTok hack will keep your spectacles clean and clear. With a little bit of soap, ...
How to
Clean Eyeglasses
Glasses can be expensive sometimes, so it's important to keep them in good shape. Fortunately, cleaning your glasses is quick and easy. The best way to clean eyewear is with warm water and dish soap, so head to the sink ...
How to
Reduce iPhone Eye Strain
This wikiHow teaches you how to change your display settings and develop healthier habits to prevent eye strain from your iPhone's digital screen.