Associations to the word «Astigmatism»
Noun
Adjective
Wiktionary
ASTIGMATISM, noun. (optics) A 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.
ASTIGMATISM, noun. (pathology) A disorder of the vision, usually due to a misshapen cornea, such that light does not focus correctly on the retina causing a blurred image.
Dictionary definition
ASTIGMATISM, noun. (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people.
ASTIGMATISM, noun. (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point.
Wise words
The chief virtue that language can have is clearness, and
nothing detracts from it so much as the use of unfamiliar
words.