Definition of dioptre in English:
A unit of refractive power, which is equal to the reciprocal of the focal length (in metres) of a given lens: vision corrected to within one dioptre of perfect sight
More example sentences
- The focusing power of a lens is measured in dioptres.
- Refractive error is measured in dioptres, and myopia is designated with a minus sign.
- The difference between the focusing powers of these two axes, measured in dioptres, is the astigmatism.
Words that rhyme with dioptreadopter
Definition of dioptre in:
- US English dictionary
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