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名词散光
1. The prevalences of hypermetropia, myopia and mixed astigmia were 9.85%, 2.36% and 0.80% respectively (P < 0.05);
远视、混合散光、近视患病率依次为9.85%、2.36%、0.80%（P<0.05）；
noun
1. (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point
Synonym: astigmatism
2. (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea
common in nearsighted people
Synonym: astigmatism