Astigmatism

noun

/əˈstɪɡmətɪzm̩/

Word Frequency: 0.6

Definitions

1.nounA 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.

2.nounA disorder of the vision, usually due to a misshapen cornea, such that light does not focus correctly on the retina causing a blurred image.

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