Corneal dystrophy, microcystic
A disorder in which the cornea (the normally clear front window of the eye) shows dots (or microcysts), geographic map-like lines, and grayish fingerprint lines on examination with a slit-lamp, a device that focuses a high intensity light beam as a slit while the examiner looks at the front of the eye through a magnifying scope. The disorder is usually silent and without symptoms. However, about one patient in ten has recurrent erosion of the cornea that usually begins after the age 30. Conversely, half of patients with recurrent corneal erosions of idiopathic (unknown) origin have this disorder. Under the microscope, a structure called the epithelial basement membrane is abnormal. The disorder is therefore sometimes called epithelial basement corneal dystrophy. The disorder was first described by Cogan and colleagues in 1964. Hence, the name: Cogan corneal dystrophy. It is also known, to add to the confusion, as map-dot-fingerprint type corneal dystrophy.

Medical dictionary. 2011.

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  • Corneal dystrophy, Cogan — A disorder in which the cornea (the normally clear front window of the eye) shows grayish fingerprint lines, geographic map like lines, and dots (or microcysts) on examination with a slit lamp that focuses a high intensity light beam as a slit… …   Medical dictionary

  • Corneal dystrophy, epithelial basement — A disorder in which the cornea (the normally clear front window of the eye) shows grayish fingerprint lines, geographic map like lines, and dots (or microcysts) on examination with a slit lamp that focuses a high intensity light beam as a slit… …   Medical dictionary

  • Corneal dystrophy, map-dot-fingerprint type — A disorder in which the cornea (the normally clear front window of the eye) shows geographic map like lines, dots (or microcysts), and grayish fingerprint lines on examination with a slit lamp, a device that focuses a high intensity light beam as …   Medical dictionary

  • Microcystic corneal dystrophy — A disorder in which the cornea (the normally clear front window of the eye) shows dots (or microcysts), geographic map like lines, and grayish fingerprint lines on examination with a slit lamp, a device that focuses a high intensity light beam as …   Medical dictionary

  • Cogan corneal dystrophy — A disorder in which the cornea (the normally clear front window of the eye) shows grayish fingerprint lines, geographic map like lines, and dots (or microcysts) on examination with a slit lamp that focuses a high intensity light beam as a slit… …   Medical dictionary

  • Epithelial basement corneal dystrophy — A disorder in which the cornea (the normally clear front window of the eye) shows grayish fingerprint lines, geographic map like lines, and dots (or microcysts) on examination with a slit lamp that focuses a high intensity light beam as a slit… …   Medical dictionary

  • Map-dot-fingerprint type corneal dystrophy — A disorder in which the cornea (the normally clear front window of the eye) shows geographic map like lines, dots (or microcysts), and grayish fingerprint lines on examination with a slit lamp, a device that focuses a high intensity light beam as …   Medical dictionary

  • dystrophy — Progressive changes that may result from defective nutrition of a tissue or organ. SYN: dystrophia. [dys + G. trophe, nourishment] adiposogenital d. a disorder characterized primarily by obesity and hypogonadotrophic hypogonadism …   Medical dictionary

  • Epithelial basement membrane dystrophy — Classification and external resources OMIM 121820 eMedicine article/1193945 Epithelial basement membrane dystrophy (EBMD) is …   Wikipedia

  • Дистрофия роговицы Лиша — OMIM 300778 300778 Эпителиальная дистрофия роговицы Лиша (англ. Lisch epithelial corneal dystrophy, LECD, band shaped and whorled microcystic dystrophy of the corneal epithelium) редкая форма дистрофии роговой оболочки человеческого глаза.… …   Википедия

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