Bird vision other vertebrates. The outer layer of the eye consists of the transparent cornea at the front, and two layers of sclera — a tough white collagen fibre layer which surrounds the rest of the eye and supports and protects the eye as a whole. The eye is divided internally by the lens into two main segments: the anterior segment and the posterior segment. The anterior chamber is filled with a watery fluid called the aqueous humour, and the posterior chamber contains the vitreous humour, a clear jelly-like substance. The lens is a transparent convex or 'lens' shaped body with a
The Human Factor (1963 The Outer Limits) The Human Factor (1963 The Outer Limits) "The Human Factor" is an episode of the original "The Outer Limits" television show. It first aired on 11 November 1963, during the first season. The title was re-used in 2002 for an episode with an unrelated plot. Doctor James Hamilton develops a device that allows him to experience the thoughts and feelings of another person. At a military outpost in Greenland, Project Engineer Maj. Brothers (Guardino) begins losing his grip on reality - while wrestling with guilt and remorse - after losing one of his soldiers in an icy crevasse. Mentally haunted