Astigmatism - definition, pronunciation, transcription

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Amer.  |əˈstɪɡmətɪzəm|  American pronunciation of the word astigmatism
Brit.  |əˈstɪɡmətɪz(ə)m|  British pronunciation of the word astigmatism

noun

- (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
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