| keratomalacia | Dryness with ulceration and perforation of the cornea, with absence of inflammatory reactions, occurring in cachectic children; results from severe vitamin A deficiency. Synonym: xerotic keratitis. Origin: kerato-+ G. Malakia, softness (05 Mar 2000) |
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| keratome | <surgery> An instrument for dividing the cornea in operations for cataract. Origin: Gr. Horn + to cut. Source: Websters Dictionary (01 Mar 1998) |
| keratometer | An instrument for measuring the curvature of the anterior corneal surface. Synonym: ophthalmometer. Origin: kerato-+ G. Metron, measure (05 Mar 2000) |
| keratometry | Measurement of the radii of corneal curvature. (05 Mar 2000) |
| keratomileusis | Surgical alteration of refractive error by changing the shape of a deep layer of the cornea: the anterior lamella is peeled back, frozen, and recarved on its back surface on a lathe; or, some of the corneal stroma can be removed from the bed with a laser or a knife. Origin: coinage, prob. Fr. G. Keras (kerat-), horn, cornea, + smileusis, carving (05 Mar 2000) |
| keratomycosis | Fungal infection of the cornea. (05 Mar 2000) |
| keratonosis | Any abnormal noninflammatory, usually hypertrophic, affection of the horny layer of the skin. Origin: kerato-+ G. -osis, condition (05 Mar 2000) |
| keratonyxis | <medicine> The operation of removing a cataract by thrusting a needle through the cornea of the eye, and breaking up the opaque mass. Origin: Gr, horn + puncture. Source: Websters Dictionary (01 Mar 1998) |
| keratopachyderma | A syndrome of congenital deafness with development of hyperkeratosis of the skin of the palms, soles, elbows, and knees in childhood, and with bandlike constrictions of the fingers. Origin: kerato-+ G. Pachys, thick, + derma, skin (05 Mar 2000) |
| keratopathy | Any corneal disease, damage, dysfunction, or abnormality. Origin: kerato-+ G. Pathos, suffering, disease (05 Mar 2000) |
| keratophakia | Implantation of a donor cornea or plastic lens within the corneal stroma to modify refractive error. Synonym: keratophakic keratoplasty. Origin: kerato-+ G. Phakos, lens (05 Mar 2000) |
| keratophakic keratoplasty | Implantation of a donor cornea or plastic lens within the corneal stroma to modify refractive error. Synonym: keratophakic keratoplasty. Origin: kerato-+ G. Phakos, lens (05 Mar 2000) |
| keratophyte | <zoology> A gorgonian coral having a horny axis. Origin: Gr, a horn + a plant. Source: Websters Dictionary (01 Mar 1998) |
| keratoplasia | The formation or renewal of a horny layer. Origin: kerato-+ G. Plasso; to fashion (05 Mar 2000) |
| keratoplasty | A surgical procedure to replace a damaged cornea with a healthy one from a donor's eye. Unlike transplantation of most other organs, the cornea tends to have a problem with transplant rejection. Corneal transplants are indicated in cases of severe corneal injury or corneal infection (corneal ulcer) which has left the cornea scarred. (27 Sep 1997) |