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
In the Land of the Blind the Blue Eye Man is King In the Land of the Blind the Blue Eye Man is King In the Land of the Blind the Blue Eye Man is King is a painting by Deborah Grant. It is in the collection of the Nasher Museum of Art in Durham, North Carolina in the United States. This large scale, multi-panel, colorful painting depicts the aftermath of Hurricane Katrina. Starting from the left panel: This painting was purchased from Grant in 2008 by Steve Turner Contemporary. In 2013, it was purchased by the Nasher with funding from JoAnn and Ronald Busuttil. This piece is part of Grant's body