In the future, you may not need to get a new prescription for your eye glasses — because a Finnish company called IXI is claiming to have manufactured the world’s first eyeglasses that can adjust their corrective lenses automatically. These special glasses have “dynamic lenses” made of liquid crystals, which can transform to accommodate whatever focal length the user’s eyesight requires, IXI CEO Niko Eiden told CNN. The IXI glasses look like ordinary glasses, by comparison. But there’s a catch with the IXI glasses — they need to be charged along with your other gadgets taking up precious real estate on your nightstand, and will brick to their “base” prescription if they run out of batteries. More on eye sight: Scientists Hack Human Eye to See a Whole New Color, Called “Olo“