The clear solar panel on the eye will act as a protective covering as well as a power source. As photons from any light source hit the surface of the solar panel, they knock electrons from the atoms, creating an electrical current which can be stored and used to power the eye. Generally, solar panels block the visible light from the sun, but recent advancements in solar panel technology enables solar panels to instead absorb infrared and ultraviolet light, which are invisible to humans.