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
Eye of the Dragon Eye of the Dragon Eye of the Dragon is a single-player roleplaying gamebook written by Ian Livingstone, illustrated by Martin McKenna and published in 2005 by Wizard Books. It forms part of Steve Jackson and Ian Livingstone's "Fighting Fantasy" series. It is the 21st in the Wizard series. "Eye of the Dragon" was the first new "Fighting Fantasy" gamebook published by Wizard, although the book is an extended version of the adventure from Ian Livingstone's earlier book "Dicing with Dragons" rather than a completely original adventure. The book is made up of 407 references rather than the usual 400. This