Medical Definition of Dioptric aberration
1.
A lens defect in which image forming rays passing through the outer zones of the lens focus at a distance from the principal plane, different from that of the rays passing through the centre of the lens.
The aberration caused by (near-paraxial) monochromatic light rays or electron beams passing through different radii of a lens not coming to the same focus.
(05 Aug 1998)
Lexicographical Neighbors of Dioptric Aberration
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