Human eye of the size of the pupil, regulation and suppression of the hormone melatonin and entrainment of the body clock. The eye is not shaped like a perfect sphere, rather it is a fused two-piece unit, composed of the anterior segment and the posterior segment. The anterior segment is made up of the cornea, iris and lens. The cornea is transparent and more curved, and is linked to the larger posterior segment, composed of the vitreous, retina, choroid and the outer white shell called the sclera. The cornea is typically about 11.5 mm (0.3 in) in diameter, and 1/2 mm (500
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