So today, I stumbled upon LensCrafters' virtual model. What their software does is takes several images of your face using your camera. It then does some tech magic and wraps the sunglasses on your image.
I am sure this is not much different from the puppy dog nose or clown face you get on your Snapchat add-ons.
However, I have to say the technology is impressive. I especially like how they cast a shadow along the cheek. It is almost better than the real thing.
I guess if you wanted a profile shot of you wearing some different glasses WITHOUT actually purchasing them, you could go this route.
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So, what do you think? Did I miss anything? Is any part unclear?