optical aberration(redirected from Aberration, optical)
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optical aberration[′äp·tə·kəl ‚ab·ə′rā·shən]
Deviation from perfect image formation by an optical system; examples are spherical aberration, coma, astigmatism, curvature of field, distortion, and chromatic aberration. Also known as aberration.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.