. "113584918"^^ . "0"^^ . . . "dioptre"@en-us . "0"^^ . . "112819780"@en-us . . "diopter"^^ . . . . "diopter"@en-us . "13584918-n"^^ . . "a unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters; used by oculists"@en-us .