Difference between Dioptre and Diopter

What is the difference between Dioptre and Diopter?

Dioptre as a noun is a unit of measure of the power of a lens or mirror, equal to the reciprocal of its focal length in meters. myopia is diagnosed and measured in diopters. while Diopter as a noun is a unit of measure of the power of a lens or mirror, equal to the reciprocal of its focal length in meters. myopia is diagnosed and measured in diopters.

Dioptre

Part of speech: noun

Definition: A unit of measure of the power of a lens or mirror, equal to the reciprocal of its focal length in meters. Myopia is diagnosed and measured in diopters.

Diopter

Part of speech: noun

Definition: A unit of measure of the power of a lens or mirror, equal to the reciprocal of its focal length in meters. Myopia is diagnosed and measured in diopters.Any lens system, such as a telescopeA theodolite or similar surveyor's angle measuring deviceAn alhidadeA surgical speculumAn instrument for drawing the skull by projections.

We hope you now know whether to use Dioptre or Diopter in your sentence.

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