Microcystic corneal dystrophy
- 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 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.
Look at other dictionaries:
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
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
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 … 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
Micro- — Prefix derived from the Greek mikros meaning small. Examples of the many biomedical terms containing micro include the following: microangiopathy, microcephaly, microcystic (as in microcystic corneal dystrophy), microhematuria, microorchidism,… … Medical dictionary
