Maybe you’ve been wearing contact lenses for years, but now dry eyes are becoming a problem, and you have no idea what your prescription lens options are. Unfortunately, there isn’t a one-size answer for which lenses you should get in your glasses, but your optometrist or optician can help you make the best choice for your vision needs. They come in several materials, such as glass, polycarbonate, trivex, and plastic. You should also consider the coatings available—blue light blocking,...