Difference between revisions of "Astigmatism"
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"Astigmatismus (Deut.); astigmatismo (Esp., It., Port.); astigmatisme (Fr.); astygmatyzm (Pol.); | "Astigmatismus (Deut.); astigmatismo (Esp., It., Port.); astigmatisme (Fr.); astygmatyzm (Pol.); | ||
| − | == | + | == Sources Checked for Data in Record == |
* Walter C. McCrone, John Gustave Delly, ''The Particle Atlas'', W. McCrone Associates, Chicago, IV, 1972 | * Walter C. McCrone, John Gustave Delly, ''The Particle Atlas'', W. McCrone Associates, Chicago, IV, 1972 | ||
Revision as of 13:54, 29 April 2016
Description
A refractive aberration in an optical system or lens. Astigmatism prevents light rays from converging at a single point. This results in a blurred or distorted image.
Synonyms and Related Terms
"Astigmatismus (Deut.); astigmatismo (Esp., It., Port.); astigmatisme (Fr.); astygmatyzm (Pol.);
Sources Checked for Data in Record
- Walter C. McCrone, John Gustave Delly, The Particle Atlas, W. McCrone Associates, Chicago, IV, 1972
- Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976 Comment: p. 208
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com