Sclera Sclera The sclera, also known as the white of the eye, is the opaque, fibrous, protective, outer layer of the human eye containing mainly collagen and some elastic fiber. In humans, the whole sclera is white, contrasting with the coloured iris, but in other mammals the visible part of the sclera matches the colour of the iris, so the white part does not normally show. In the development of the embryo, the sclera is derived from the neural crest. In children, it is thinner and shows some of the underlying pigment, appearing slightly blue. In the elderly, fatty deposits on
Catholic theology of the body and the Israelites. By giving man a perishable body, man was saved from the deep fall of Lucifer into eternal damnation. Gregory does not describe the human body before the fall, but he states that the bodily existence of man was free of any illness, needs or problems. The human body was related to God and free of sin towards him. The fall consisted in false pride, a revolt against God. Regarding the relation between body and soul, Gregory states, the body is related to the soul, like the way in which the soul is related to God. To explain