bn:00006619n
Noun Concept
Categories: Vision, Articles with short description, All articles lacking reliable references, Disorders of ocular muscles, binocular movement, accommodation and refraction
EN
astigmatism  astigmia  Alpins astigmatism method  Astigmatic refractive error  corneal astigmatism
EN
(ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people WordNet 3.0
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EN
(ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people WordNet 3.0 & Open English WordNet
Astigmatism is a type of refractive error due to rotational asymmetry in the eye's refractive power. Wikipedia
Refractive error characterized by the optics of the eye to focus a point object into a sharp focused image on the retina, has_symptom blurred vision. Wikidata
A distortion of the image on the retina caused by irregularities in the cornea or lens. OmegaWiki
A disorder of the vision, usually due to a misshapen cornea, such that light does not focus correctly on the retina causing a blurred image. Wiktionary
Disorder of the vision. Wiktionary (translation)
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