Glasses Heaven?

Nowadays there are more and more people liking to wear glasses, and many of them have to do this. So meantime, there are more and more companies selling glasses.

You may see advertisement like this everyday, Zenni Optical $ 8 Rx Eyeglasses, this is quite familiar to you right? Yeah, because you can see it everywhere, and it becomes very popular. Look at this: Great Discovery: Zenni Optical $8 Glasses, more attractive than the one above? Quite true. Now notice the third: Best Thing found: Zenni Optical $8 Glasses, you see, glasses industry is very very hot.

Now what do you think about it? It's a glasses heaven? I think so.