散光
近义词与同义词
按词义分组列出,使用时请结合具体语境。
(ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people
(optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point
基本解释
1.视力缺陷的一种。有散光眼的人看东西凝不清,由角膜或晶状体表面的弯曲不规则,使进入眼球中的影像分散成许多部分引起。用特制镜片制成的眼镜可以矫正散光。