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Queratocono - Overview

Definición:

Es la degeneración de la estructura de la córnea, el tejido transparente que cubre la parte frontal del ojo.

La forma de la córnea cambia lentamente de la forma redonda normal a una forma cónica.

Causas, incidencia y factores de riesgo:

La causa se desconoce, pero la tendencia a desarrollar queratocono probablemente se presenta desde el nacimiento. Se piensa que el queratocono involucra un defecto en el colágeno, el tejido que compone la mayor parte de la córnea.

Algunos investigadores creen que las alergias y frotarse los ojos puede jugar un papel.

Igualmente, hay una asociación entre queratocono y síndrome de Down.

  • Reviewed last on: 7/28/2010
  • Linda J. vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine; and Franklin W. Lusby, MD, Ophthalmologist, Lusby Vision Institute, La Jolla, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Jain A, Paulus YM, Cockerham GC, Kenyon KR. Keratoconus and other noninflammatory corneal thinning disorders. In: Tasman W, Jaeger EA, eds. Duane's Ophthalmology. 19th ed. Philadelphia, Pa: Lippincott Williams & Wilkins; 2009:chap 16C.

Sugar J, Wadia HP. Keratoconus and other ectasias. In: Yanoff M, Duker JS, eds. Ophthalmology. 3rd ed. St. Louis, Mo: Mosby Elsevier; 2008:chap 4.18.

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