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
Words are always getting conventionalized to some secondary
meaning. It is one of the works of poetry to take the
truants in custody and bring them back to their right
senses.