Keratectomy
Removal of part of the cornea. This can be done by surgical excision or by laser. One such laser procedure is PRK (photorefractive keratectomy).
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- Keratectomy, photorefractive (PRK)
A kind of laser eye surgery designed to change the shape of the cornea to eliminate (or reduce) the need for glasses and contact lenses. The laser is used to remove the outer layer of the cornea and flatten the cornea. The flattening of the cornea is intended to correct myopia (nearsightedness) and astigmatism (uneven […]
- Keratin
A protein found in the upper layer of the skin, hair, and nails, and in animal horns.
- Keratitis
Inflammation of the cornea. Keratitis can occur due to abrasion trauma, infection, or underlying diseases such as Sjogren’s syndrome and lupus. Keratitis can lead to blindness.
- Keratitis-ichthyosis-deafness syndrome
An inherited disorder that is characterized by keratitis (gradual destruction of the cornea of the eye, sometimes leading to blindness), ichthyosis (localized areas of disfiguring reddish thickened skin), and deafness from birth. Abbreviated KID syndrome. Another characteristic feature of KID syndrome is thin or absent scalp hair. Some patients develop cancer of the tongue, and […]
- Kerato-
Prefix that can refer either to the cornea (as in keratitis and keratocornea) or to “horny” tissue (as in keratin and keratosis).