"John Lennon’s iconic look would not be complete without his distinctive round shaped glasses. Inspired by his work, his life and his style, Adlens has created a new range of variable focus eyewear." That's Adlens's announcement on its website. "Our Fluid-Injection technology allows the power of each lens to be adjusted with the turn of a dial. Once set, the system can be sealed by rotating the red lever and removing the dials. This creates instant prescription eyewear." Read more.