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Warby Parker has an app that checks your eyes at home
Usually, completing a vision test for new glasses requires a trip to the optometrist and the glasses store. Newly announced technology could change that, however. Warby Parker, which started out as a try-before-you-buy mail-order eyeglasses company, is currently looking to use devices you already have in your home to help you get a new pair of glasses without having to drive to a doctor. If you have an expired vision prescription, you can use an iPhone, a computer and about 12 feet of space to find out if your vision has changed since your last exam.