distortion aberration

dis·tor·tion ab·er·ra·tion

the faulty formation of an image arising because the magnification of the peripheral part of an object is different from that of the central part when viewed through a lens.
See also: Petzval surface.
Farlex Partner Medical Dictionary © Farlex 2012

dis·tor·tion ab·er·ra·tion

(dis-tōr'shŭn ab-ĕr-ā'shŭn)
The faulty formation of an image arising because the magnification of the peripheral part of an object is different from that of the central part when viewed through a lens.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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