Ditto, a online eyewear shop that uses your computer's webcam to show you how you'll look in your new frames.
Follow the site's guided setup to create your "ditto" then start virtually trying on pairs. The site makes recommendations based on budget and style, and you can share your ditto via email or Facebook to get feedback from friends.
Ditto stocks designers from Ray-Ban to Jeremy Scott and can make most frames prescription by simply emailing a photo of your script. Still concerned about buyer's remorse? Ditto offers free returns within 90 days of purchase.