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 Eye of the World printed these halves ( and ) the following March. The Eye of the World The Eye of the World is a fantasy novel by American writer Robert Jordan, the first book of "The Wheel of Time" series. It was published by Tor Books and released on January 16, 1990. The unabridged audiobook is read by Michael Kramer and Kate Reading. Upon first publication, "The Eye of the World" consisted of one prologue and 53 chapters, with an additional prologue authored upon re-release. On January 2, 2002, "The Eye of the World" was re-released as two separate books aimed at a