pertaining to, exhibiting, or correcting .
a person who has .
After all, an astigmatic parent, seeing Adolf in a dim light, might be impressed by him.
The Man Upstairs P. G. Wodehouse
They belonged to a person who was near-sighted and astigmatic in the left eye and almost certainly blind in the right.
The Mystery of 31 New Inn R. Austin Freeman
Conclusion: the lens is astigmatic, or the objective is not adjusted to be co-axial with the eyepiece.
On Laboratory Arts Richard Threlfall
Of six cows, five were hypermetropic and astigmatic and one was slightly myopic.
Scientific American Supplement No. 822 Various
Scilly and I, she once said to Ariadne, are an astigmatic couple.
The Celebrity at Home Violet Hunt
“No trace of chromatic, spherical, or astigmatic aberration,” he reported in surprise.
Skylark Three Edward Elmer Smith
If the subject is astigmatic he will see some of the straight lines distinctly while others will be blurred.
Initiative Psychic Energy Warren Hilton
He jerked it back again, and the thing looked as if it had been hung in a dim light by an astigmatic drunkard.
Love Among the Chickens P. G. Wodehouse
relating to or affected with astigmatism
a person who has astigmatism
1849; see astigmatism + -ic.
- Astigmatic lens
astigmatic lens astigmatic lens n. See cylindrical lens.
Also called astigmia [uh-stig-mee-uh] /əˈstɪg mi ə/ (Show IPA). Ophthalmology. a refractive error of the eye in which parallel rays of light from an external source do not converge on a single focal point on the retina. Optics. an aberration of a lens or other optical system in which the image of a point is […]
a cylindrical lens used in a rangefinder to draw out the point image of a point source into a line.
an apparatus for measuring the degree of . astigmatometer a·stig·ma·tom·e·ter (ə-stĭg’mə-tŏm’ĭ-tər) or as·tig·mom·e·ter (ās’tĭg-mŏm’ĭ-tər) n. An instrument for measuring the degree of and determining the variety of astigmatism. a·stig’ma·tom’e·try (-trē) or as’tig·mom’e·try n.