Lens Material Comparision

When you walk into a sunglasses shop ,you can find the most common lens are AC and PC .

And some customer like polarized lens to filter the stray light .

But there is an interesting thing ,the world-famous sunglasses brand RayBan , usually stick to glass lens, why will they choose the easy broken material ?

I attached the lens material comparision sheet below , believe you will know more about lens after read it .

Lens material comparision