Thanks to the speedy care given to me by these doctors, my eyesight was saved. The optic nerve, a bundle of over 1 million nerve fibers, is answerable for transmitting nerve alerts from the eye to the mind. These nerve alerts contain information for processing by the mind. The entrance surface of the optic nerve, which is seen on the retina, known as the optic disk or optic nerve head. The retina has two forms of cells that provoke these chemical reactions. These cells are termed photoreceptors and the two distinct kinds of cells are the rods and cones.