Forget shopping for eyeglasses in person. There are bunches of great online companies -- like Warby Parker , GlassesUSA , Zenni Optical , Roka , LensCrafters , EyeBuyDirect and Vint and York -- that let you easily order prescription eyeglasses or prescription sunglasses online. Some of these companies, like GlassesUSA and LensCrafters, even offer designer frames at deep discounts -- and all allow you to customize your eyewear based on your prescription, lifestyle and needs.

Even if you have insurance, prescription eyewear can be costly. By shopping for glasses online, you can choose from a huge selection of quality -- even designer -- frames and have custom lenses made without spending a fortune. Our in-house shopping experts have done the research on the best places to shop online for prescription eyewear.

And don't worry if there's a problem with the glasses you order online. This roundup only features companies that offer a money-back guarantee and easy exchanges. And most offer either a virtual try-on feature, or allow you to order several frames to try on at home, before placing your final eyeglass order.

All also provide numerous custom lens options, so you can select from one of several lens materials (like polycarbonate or 1.67 high-index), add a blue light filter, add a light-response feature (that allows them to transition to a darker color in sunlight), and then choose between a single vision, bi-focal or progressive option. Of course, fashionable prescription read.