Similar to buying eyeglasses online is buying lenses online. If you like nerding out on materials and optics, this can be kind've interesting. First, get famil

Similar to buying eyeglasses online is buying lenses online. If you like nerding out on materials and optics, this can be kind've interesting. First, get familiar with your lens choices. Drivers Readers Single Vision Progressives Bifocals Clear Tinted Transitions Materials Trivex (I'm a big fan of Trivex). Polycarbonate Your prescription must fit in the material's range http://www.eyeglasslensdirect.com/ http://www.eyeglasslensdirect.com/ I have Trivex single vision readers and tinted Trivex single vision drivers. I'm near sighted and I told my optometrist to give me a reader prescription set for laptop distance. I've also settled on a frame, Flexon 623. I imagine I could spend a ton on personalized prescriptions but my normal prescription is insanely good. I'm lucky. Personalized prescriptions (free form, ...) are great for people with difficult prescriptions but unnecessary for the common case.