Type and usage of stigmatism from BoostVocab

stigmatism

/'stɪgmə,tɪzəm/

noun
normal eyesight
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type of:
vision visual modality sight visual sense
noun
(optics) condition of an optical system (as a lens) in which light rays from a single point converge in a single focal point
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Opposite:

astigmatism

type of:
status condition
noun
the condition of having or being marked by stigmata
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type of:
condition

Definition that contains stigmatism

stigmatic pertaining to a lens or lens system free of astigmatism (able to form point images)
anastigmatic pertaining to a lens or lens system free of astigmatism (able to form point images)
ametropia (ophthalmology) faulty refraction of light rays in the eye as in astigmatism or myopia
anastigmatic lens a lens designed to correct astigmatism
anastigmat compound lens or lens system designed to be free of astigmatism and able to form approximately point images

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