When buying eyeglasses, you inevitably need to choose the lenses. Then how to choose the suitable lenses? Nowadays there are quite a lot options. Generally the options you can choose from are: to have the thick lenses thinned out, to have anti-radiation coatings, to have anti-UV light coatings, and so much more. But remember to think twice before you decide to buy them, for all these options can take more. If you have a really high prescription, to have the thick lenses thinned out can be a wise choice. If you are always working with the surrounding full of fog, the anti-fog one is quite suitable for you.