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
Stream of Consciousness (The Outer Limits) Stream of Consciousness (The Outer Limits) "Stream of Consciousness" is an episode of "The Outer Limits" television show. It first aired on 7 February 1997, during the third season. Due to a brain injury, Ryan Unger cannot enjoy the benefits of a neural implant that allows other people to tap into The Stream — a direct connection into all human knowledge. He tries, unsuccessfully, to keep up with everyone else by using a long-forgotten skill: reading books. Unfortunately for the human race, the Stream has been erroneously programmed to crave information instead of knowledge. Soon, it begins to turn the