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osteogenesis imperfecta
(redirected from keratoconus)

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osteogenesis imperfecta

Group of connective-tissue diseases in which the bones are very fragile. Several forms probably reflect different degrees of expression of the same disorder. Persons with osteogenesis imperfecta type I are normal at birth, but fractures occur easily; in van der Hoeve syndrome the sclerae are bluish, bone deformities in the skull cause deafness, double-jointedness occurs, and skin is abnormally thin. Babies with osteogenesis imperfecta type II, if not stillborn, are born with fractures, and fractures continue to occur, causing severe crippling; survival to adulthood is rare.

osteogenesis imperfecta [¦äs·tē·ō′jen·ə·səs ‚im·pər′fek·tə]
(medicine)
A disease inherited as an autosomal dominant and characterized by hypoplasia of osteoid tissue and collagen, resulting in bone fractures.
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Keratoconus is a condition in which the surface of the eye has a very irregular shape (astigmatism).
Eye vision: what is more favorable, contact lenses or glasses?! by Kuznecova, Darja / The Baltic Times (Riga, Latvia)
Also diagnosed were cataract, both surgically removed and not removed (19%); nystagmus (10%); keratoconus (1%); optic atrophy (6%); and glaucoma (4%).
Prevalence of visual impairments in adults with cognitive and ... by Henriksen, Anne; Degenhardt, Sven / Journal of Visual Impairment & Blindness
Similar operations have also been performed for various conditions such as keratoconus (a degenerative disorder of the eye); corneal dystrophies and scarring.
Corneal transplants restore sight for scores of people by Gulf News (United Arab Emirates)
 
 
 
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