France's Essilor invests in Israeli startup making eyeglasses that can refocus themselves

Israeli startup Deep Optics is developing eyeglasses that can automatically refocus to assist those with presbyopia, or age-related difficulty focusing on nearby objects. It recently announced a $4 million VC in support of its lenses with a liquid crystal layer that enables a changeable refractive index (or "smart" eyeglasses, perhaps). Investors include French eyeglass company Essilor. More