cornea
cornea A transparent layer of tissue, continuous with the sclerotic, that forms the front part of the vertebrate eye, over the iris and lens. The cornea refracts light entering the eye onto the lens, thus assisting in the focusing of images onto the retina. See also astigmatism.
cornea
cor·ne·a / ˈkôrnēə/ • n. the transparent layer forming the front of the eye.DERIVATIVES: cor·ne·al adj.
cornea
cornea
cornea (anat.) horny covering of the eyeball. XIV. — modL., short for medL. cornea tēla or tunica horny tissue or coating; fem. of corneus (whence corneous XVII), f. L. cornū HORN.
cornea
cornea (korn-iă) n. the transparent circular part of the front of the eyeball. It refracts the light entering the eye onto the lens, which then focuses it onto the retina.
—corneal (korn-iăl) adj.
—corneal (korn-iăl) adj.
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Cornea
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Cornea