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
Heart's Desire (The Outer Limits) Heart's Desire (The Outer Limits) "Heart's Desire" is an episode of "The Outer Limits" television show (new series). It was first aired on 28 February 1997, during the third season. It is set in the town of Heart's Desire in the Oregon Territory in 1872. In the episode, a visitor from another world takes over the body of a human preacher. He gives four outlaws a special energy power, which they can use to destroy anything they wish as long as they "want it more than anything else". The first outlaws to be given these powers are two friends, Frank