Smart Glasses Follow our Eyes, Focus Automatically

Though it may not have the sting of death and taxes, presbyopia is another of life's guarantees. This vision defect plagues most of us starting about age 45, as the lenses in our eyes lose the elasticity needed to focus on nearby objects. For some people reading glasses suffice to overcome the difficulty, but for many people, the only fix, short of surgery, is to wear progressive lenses.