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 New Breed (The Outer Limits) The New Breed (The Outer Limits) "The New Breed" is an episode of "The Outer Limits" television show. It first aired on 23 June 1995, during the first season. Dr. Stephen Ledbetter makes a technological and medical breakthrough when he creates a type of tiny machine, known as nanobots, capable of curing any disease or imperfections in the human body. Stephen's best friend Dr. Andy Groenig tells him that he has proposed to Stephen's sister, Judy. Overjoyed at the news, Stephen shows Andy the nanobots and explains what a remarkable breakthrough they are. Later that day Andy discovers that he