(n) using a piece of donated corneal tissue to repair the eye of someone who has had a cataract removed, Example:epikeratophakia gave her a living contact lens

iridokeratitis

(n) inflammation of the iris and cornea of the eye

keratalgia

(n) pain in the cornea

keratectasia

(n) abnormal bulging of the cornea of the eye

keratin

(n) a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair, feathers, nails, and hooves, Syn. ceratin

keratinization

(n) organic process by which keratin is deposited in cells and the cells become horny (as in nails and hair), Syn. keratinisation

keratinize

(v) convert into keratin, Syn. keratinise

keratinize

(v) become horny and impregnated with keratin, Syn. keratinise

keratitis

(n) inflammation of the cornea causing watery painful eyes and blurred vision

keratoacanthoma

(n) skin tumor that grows rapidly (especially in older people) and resembles a carcinoma but does not spread; it usually disappears spontaneously, often leaving a scar

keratocele

(n) hernia of the cornea

keratoconjunctivitis

(n) inflammation of the cornea and conjunctiva

keratoconus

(n) abnormal cone-shaped protrusion of the cornea of the eye; can be treated by epikeratophakia

keratoderma

(n) any skin disorder consisting of a growth that appears horny, Syn. keratodermia

keratohyalin

(n) hyaline in the large granules of the stratum granulosum

keratoiritis

(n) inflammation of the cornea and the iris of the eye

keratomalacia

(n) softening and drying and ulceration of the cornea resulting from vitamin A deficiency; symptom of cystic fibrosis or sprue

keratomycosis

(n) fungal infection of the cornea

keratonosis

(n) any abnormal condition of the outer skin (epidermis)

keratonosus

(n) any disease of the cornea

keratoplasty

(n) a surgical procedure in which part or all of a damaged or diseased cornea is replaced by healthy corneal tissue from a donor, Syn. corneal transplant, corneal graft

keratoscleritis

(n) inflammation of the cornea and sclera of the eye

keratoscope

(n) medical instrument to examine the cornea in order to detect irregularities in its anterior surface

keratoscopy

(n) examination of the cornea with a keratoscope to detect irregularities in its anterior surface

keratosis

(n) a skin condition marked by an overgrowth of layers of horny skin

keratosis blennorrhagica

(n) skin disease characterized by a scaly rash on the palms and soles; associated with Reiter's syndrome, Syn. keratoderma blennorrhagica

keratosis follicularis

(n) a rare hereditary condition marked by dark crusted patches (sometimes containing pus), Syn. Darier's disease

keratosis pilaris

(n) keratosis characterized by hard conical elevations in the openings of sebaceous glands (especially of arms and thighs)

keratotomy

(n) surgical incision into the cornea

laser-assisted in situ keratomileusis

(n) a refractive surgery procedure that reshapes the cornea, Syn. LASIK

laser-assisted subepithelial keratomileusis

(n) a refractive surgery procedure that reshapes the cornea, Syn. LASEK

radial keratotomy

(n) radial pattern of incisions in the cornea that cause the cornea to bulge; performed to correct myopia

seborrheic keratosis

(n) a skin condition characterized by circumscribed wartlike lesions that can be itchy and covered with a greasy crust

acanthosis nigricans

(n) a skin disease characterized by dark wartlike patches in the body folds; can be benign or malignant, Syn. keratosis nigricans

The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)

keratin

n. [ Gr. ke`ras, -atos, horn. ] (Physiol. Chem.) A sulfur-containing fibrous protein constituting the main structural protein of hard epidermal tissues, such as horn, hair, feathers, nails, claws, hoofs, and the like. It is an insoluble substance, and, unlike elastin, is not dissolved even by gastric or pancreatic juice. By decomposition with sulphuric acid it yields leucine and tyrosine plus various other acid-stable amino acids. The amino acid composition varies, but it usually has a high percentage of cystine, which stabilizes and insolubilizes the protein by forming intrachain linkages. A softer form of keratin is present in the epidermis and whalebone. Called also epidermose. [ 1913 Webster +PJC ]

Keratitis

‖n. [ NL., fr. Gr. ke`ras, -atos, horn + -itis. ] (Med.) Inflammation of the cornea. [ 1913 Webster ]

Keratode

n. See Keratose. [ 1913 Webster ]

Keratogenous

a. [ Gr. ke`ras, -atos, horn + -genous. ] Producing horn; as, the keratogenous membrane within the horny hoof of the horse. [ 1913 Webster ]

Keratoidea

‖n. pl. [ NL., from Gr. ke`ras, -atos, horn + -oid. ] (Zool.) Same as Keratosa. [ 1913 Webster ]

Keratome

n. [ Gr. ke`ras, horn + &unr_; to cut. ] (Surg.) An instrument for dividing the cornea in operations for cataract. [ 1913 Webster ]

Keratonyxis

‖n. [ Gr. ke`ras, -atos, horn + &unr_; puncture. ] (Med.) The operation of removing a cataract by thrusting a needle through the cornea of the eye, and breaking up the opaque mass. [ 1913 Webster ]

Keratophyte

n. [ Gr. ke`ras, -atos, a horn + &unr_; a plant. ] (Zool.) A gorgonian coral having a horny axis. [ 1913 Webster ]

Keratosa

‖n. pl. [ NL., fr. Gr. ke`ras, -atos, a horn. ] (Zool.) An order of sponges having a skeleton composed of hornlike fibers. It includes the commercial sponges. [ 1913 Webster ]

Keratose

a. (Zool.) Containing hornlike fibers or fibers of keratose; belonging to the Keratosa. [ 1913 Webster ]

Keratose

n. [ Gr. ke`ras, -atos, horn. ] (Physiol. Chem.) A tough, horny animal substance entering into the composition of the skeleton of sponges, and other invertebrates; -- called also keratode. [ 1913 Webster ]

Neurokeratin

n. [ Neuro- + keratin. ] (Physiol. Chem.) A substance, resembling keratin, present in nerve tissue, as in the sheath of the axis cylinder of medullated nerve fibers. Like keratin it resists the action of most chemical agents, and by decomposition with sulphuric acid yields leucin and tyrosin. [ 1913 Webster ]

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