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The transparent part of the coat of the eyeball which covers the iris and pupil and admits light to the interior. See Eye.

Pertaining to the cornea.

Weakness of sight, without and opacity of the cornea, or of the interior of the eye; the first degree of amaurosis.

mors of the eye; a limpid fluid, occupying the space between the crystalline lens and the cornea. (See Eye.) -- Aqueous rocks (Geol.), those which are deposited from water and lie in strata, as opposed to volcanic rocks, which are of igneous origin; -- called also sedimentary rocks.

Dimness or obscurity of sight, dependent upon a speck on the cornea; also, the speck itself.

Inflammatory swelling of the conjunctival tissue surrounding the cornea. --Che*mot"ic (#), a.

One of the corneas of a compound eye in the invertebrates. Carpenter.

An ulcer in the eye, upon the cornea, which causes the loss of the humors. Dunglison.

made up of numerous ocelli. See Ocellus. Description of illustration: a b Conjunctiva; c Cornea; d Sclerotic; e Choroid; f Cillary Muscle; g Cillary Process; h Iris; i Suspensory Ligament; k Prosterior Aqueous Chamber between h and i; l Anterior Aqueous Chamber; m Crystalline Lens; n Vitreous Humor; o Retina; p Yellow…

A small, deep-centered ulcer of the transparent cornea.

Inflammation of the cornea.

An instrument for dividing the cornea in operations for cataract.

The operation of removing a cataract by thrusting a needle through the cornea of the eye, and breaking up the opaque mass.

A white opacity in the cornea of the eye; -- called also albugo.

A border or margin; as, the limbus of the cornea. Etym: Jamaican E limba to bend, fr. E. limber (1950)]. Often performed at celebrations, such as weddings. (1950-1996)

Silver. Luna cornea (Old Chem.), horn silver, or fused silver chloride, a tough, brown, translucent mass; -- so called from its resemblance to horn. Luna moth (Zoöl.), a very large and beautiful American moth (Actias luna). Its wings are delicate light green, with a stripe of purple along the front edge of the anterior…

A white spot or a slight opacity of the cornea.

A slight spot on the cornea.

The act of darkening or bewildering; the state of being darkened. "Obfuscation of the cornea." E. Darwin.

sed by Helmholtz for measuring the size of a reflected image on the convex surface of the cornea and lens of the eye, by which their curvature can be ascertained.