Categories:All articles lacking reliable references,
Articles with short description,
Disorders of ocular muscles, binocular movement, accommodation and refraction,
Vision
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
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