I enlisted a panel of glasses-wearers to shop on-site, test out frames and help determine the best places to buy prescription ...

Less invasive than a microchip in the brain and less bulky than an actual computer ... she is viewing—similar to bifocal or progressive-lens glasses. There are also contact lenses that can ...

As a result, people require multiple sets of eyeglasses for different conditions. Bifocal or trifocal or progressive lenses are really just multiple sets of lenses squashed into a smaller form ...