Tell a friend about us, add a link to this page, or visit the webmaster's page for free fun content. Link to this page: <a href=http://medical-dictionary.thefreedictionary.com/orthotist>orthotist</a>.
The retina. Fromer explained that the retina is the innermost of three tissue layers that make up the eye. The outermost layer, called the sclera, is what gives most of the eyeball its white color. The cornea is also a part of the outer layer.The middle layer between the retina and sclera is called the choroid. The 7 Biggest Mysteries of the Human Body ]. Behind the cornea is a colored, ring-shaped membrane called the iris. The iris has an adjustable circular opening called the pupil, which can expand or contract to control the amount of light entering the eye, Fromer said. Ciliary muscles surround the lens.
Split and merge into it. Answer by Palazzo. Confidence votes 1.6K. The retina forms the inner-wall layer at the back of the human eye ball that consists of many light-sensitive cells that absorb light rays and convert them into electrical nerve impulses that signals the brain about the image(s) that the eyes detected.he colored part of the eye that controls the amount of light that  passes through the pupil is the iris. The iris is made up of two  layers, the stroma and the pigmented ep â¦ ithelial cells.