Sclera Sclera The sclera, also known as the white of the eye, is the opaque, fibrous, protective, outer layer of the human eye containing mainly collagen and some elastic fiber. In humans, the whole sclera is white, contrasting with the coloured iris, but in other mammals the visible part of the sclera matches the colour of the iris, so the white part does not normally show. In the development of the embryo, the sclera is derived from the neural crest. In children, it is thinner and shows some of the underlying pigment, appearing slightly blue. In the elderly, fatty deposits on
The Eye Tribe visual angle and can identify and follow the movement of an eye with sub millimeter precision, which is around the size of a fingertip. The Eye Tribe Company is developing their eye tracking device in hopes that sometime in the near future many products, such as smart phones, tablets, and computers, will carry Eye Tribe’s software. The company’s goal is for their eye tracking technology to become a household item and a common feature on most devices. From their demos, The Eye Tribe makes it clear that they hope their technology will become versatile, used for many things from games