Our Eye doctors work collectively to take care of your eye well being, improve and protect your imaginative and prescient, and stop blindness. The final frequent ancestor of animals possessed the biochemical toolkit needed for imaginative and prescient, and more superior eyes have evolved in 96% of animal species in six of the ~35 main phyla. In most vertebrates and a few molluscs, the attention works by permitting light to enter and project onto a light-sensitive layer of cells at the finish of the attention, generally recognized as the retina. The cone cells and the rod cells (for low-light contrasts) within the retina detect and convert gentle into neural signals for imaginative and prescient.