| astigmia | <ophthalmology> A visual disturbance caused by an error in the refraction of light within the eye. (27 Sep 1997) |
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| astigmia |
astigmatism: (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea astigmatism: (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point
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| astigmia | (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point |
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| astigmia | (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea |
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