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(H18.6) Keratoconus — degenerative disease: the cornea thins and changes shape to be more like a cone than a parabole (H19.3) Keratoconjunctivitis sicca — dry eyes (H20.0) Iritis — inflammation of the iris (H20.0, H44.1) Uveitis — inflammatory process involving the interior of the eye; Sympathetic ophthalmia is a subset.
Acanthamoeba keratitis (AK) is a rare disease in which amoebae of the genus Acanthamoeba invade the clear portion of the front of the eye. It affects roughly 100 people in the United States each year. [2] Acanthamoeba are protozoa found nearly ubiquitously in soil and water and can cause infections of the skin, eyes, and central nervous system. [3]
The absence of the eye will cause a small bony orbit, a constricted mucosal socket, short eyelids, reduced palpebral fissure and malar prominence. [2] Genetic mutations, chromosomal abnormalities, and prenatal environment can all cause anophthalmia. Anophthalmia is an extremely rare disease and is mostly rooted in genetic abnormalities.
Corneal dystrophy is a group of rare hereditary disorders characterised by bilateral abnormal deposition of substances in the transparent front part of the eye called the cornea. [ 1 ] [ 2 ] [ 3 ] Signs and symptoms
One is that Mass Eye and Ear is a specialized eye institute that sees a high number of people with rare eye diseases, so the population may have been a little skewed. Another is that the ...
Pseudoexfoliation syndrome, often abbreviated as PEX [1] and sometimes as PES or PXS, is an aging-related systemic disease manifesting itself primarily in the eyes which is characterized by the accumulation of microscopic granular amyloid-like protein fibers. [2]
Bietti's crystalline dystrophy (BCD) is a rare autosomal recessive [2] eye disease named after G. B. Bietti. [ 3 ] BCD is a rare disease and appears to be more common in people with Asian ancestry.
Axenfeld–Rieger syndrome is a rare autosomal dominant [2] disorder, which affects the development of the teeth, eyes, and abdominal region. [3]Axenfeld–Rieger syndrome is part of the so-called iridocorneal or anterior segment dysgenesis syndromes, [4] which were formerly known as anterior segment cleavage syndromes, anterior chamber segmentation syndromes or mesodermal dysgenesis.
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