Cornea

toc =1386342679= = Definition: = The tough transparent layer that covers the front of the eye and bends light rays inward through the pupil. pp.74 Gen Psych Chapter 3

The Cornea is a transparent, dome-shaped tissue covering the iris and the pupil. The cornea shields the eye from germs, dust, and other harmful matter. It also acts as the eye's outer lens. Much like a window, the cornea controls light entering the eye. It also contributes to the eye's focusing ability. About.com

= Examples: =

= Analogies: = The eye is like a camera, the retina is the film, the cornea the glass and the lens is like the lens.

The cornea is like the clear front window of the eye.

= Mnemonics: = // Layers of the cornea // "**ABCDE**": **A**nterior epithelium, **B**owman's layer, **C**orneal stroma, **D**escemet's membrane and **E**ndothelium

=In the News:= This link leads to a story about the woman who received the UK's first cornea stem cell transplant [|First cornea transplant]

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