coma aberration

coma aberration definition - medical

coma aberration

noun
The distortion in image formation occurring when a bundle of light rays enters an optical system that is not parallel to the optic axis.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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