Human eye layer, known as the fibrous tunic, is composed of the cornea and sclera. The middle layer, known as the vascular tunic or uvea, consists of the choroid, ciliary body, pigmented epithelium and iris. The innermost is the retina, which gets its oxygenation from the blood vessels of the choroid (posteriorly) as well as the retinal vessels (anteriorly). The spaces of the eye are filled with the aqueous humour anteriorly, between the cornea and lens, and the vitreous body, a jelly-like substance, behind the lens, filling the entire posterior cavity. The aqueous humour is a clear watery fluid that is contained
Catholic theology of the body the consequence according to Didymus. He compares this with wine being mixed with water. The body has some functions for the soul. The body informs the soul of the sensual world around them. Didymus called the body the outer person and the soul the inner person. The outer person is perishable. The inner person is eternal. The heart of the person leads the person as a whole towards good or bad deeds. Didymus maintains freedom of will, which is however weakened through the fall of Adam of Eve. A person who uses his free will to be a spiritual person,