After the coming Zombie Apocalypse(TM) we are going to have find ways to make our own basic necessities. Food, clothing, and of course, eyeglasses. Here's how... 

From the How to Make Everything YouTube channel: How to Make Eyeglasses.

It's not simple and it take a lot of time. It is really cool that he is attempting this but consider the high tech tools he uses to do it. Who makes the chain saw to cut down the tree? Who builds the kiln? Who makes the saw? To see how glasses really used to be made, go our old post here, which includes some style advice for women as well.