wikipedia
English
Etymology
From astigmatic
Noun
astigmatism
- optics A defect of a lens such that light rays coming from a point do not meet at a focal point so that the image is blurred.
- pathology 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.
Synonyms
astigmia
Derived terms
astigmatic
astigmatically
See also
emmetropia
hyperopia
myopia
Translations
German: Astigmatismus m
mid
Japanese: 乱� (ranshi)
ar:astigmatism
io:astigmatism
vi:astigmatism
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