Well, yes, polycarbonate lenses are better than regular lenses. First, you should know that Polycarbonate lenses are safer and thinner but rather lack optical clarity. And also, they are also known to be thinner and lighter than traditional type lenses. For the functions, Polycarbonate lenses offers you total protection from UV light and radiations. So you do not need worry about the rays when you go outsides. On the contrary, ordinary plastic offers you minimum protection from UV light. In other words, if you use plastic lenses, you may need to invest in antiglare material to protect you from any harmful rays. And they are no so expensive, so you can buy them on online shop, http://www.eyeglassdirect.com/pricelist.htm,Where you can pay about 38 dollars for each one. So they deserve your choice.