coma aberration


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co·ma ab·er·ra·tion

1. the distortion of image formation created when a bundle of light rays enters an optical system not parallel to the optic axis.
2. in botany, any tuft, as the hairs on a seed, or the greenery on a radish or a pineapple.
Synonym(s): coma (3)
[G. komē, hair, foliage]

co·ma ab·er·ra·tion

(kō'mă ab-ĕr-ā'shŭn)
The distortion of image formation created when a bundle of light rays enters an optic system not parallel to the optic axis.
Synonym(s): coma (3) .
[G. komē, hair, foliage]
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References in periodicals archive ?
Early markers include: supranuclear cortical cataract, coma aberration, retinal nerve fibre layer thinning and drusen, especially when present in younger patients--perhaps something we should look more carefully for in our 50+ year old patients?
The lens has minimized axial and lateral chromatic aberrations, coma aberrations, and geometric distortion.