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 Wyvern aspirations; the adventure is simple and the ultimate in linear-ness. But designing a get-started-quick, anybody-can-play roleplaying module is a very high aspiration for the future of this hobby, and in that this book gets high marks." Eye of the Wyvern Eye of the Wyvern is an adventure module for the "Dungeons & Dragons" fantasy role-playing game. "Eye of the Wyvern" is a wilderness adventure, and part of TSR's Fast-Play Game adventure series. The Fast-Play products, which began with the introductory adventure "The Ruined Tower" and continued with "Wrath of the Minotaur" and "Eye of the Wyvern", are intended to be