Diopter vs. Dioptric — What's the Difference?
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Difference Between Diopter and Dioptric
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Definitions
Diopter
A unit of measurement of the refractive power of lenses equal to the reciprocal of the focal length measured in meters.
Dioptric
Of or relating to dioptrics.
Diopter
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.
Dioptric
Relating to optical refraction; refractive.
Diopter
The dioptre adjustment mechanism of a pair of binoculars or of a camera viewfinder.
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Dioptric
Acting as a medium for sight; making use of refraction (of lenses, etc.).
Diopter
A lens element attached to the front of a photographic lens to shorten the lens's minimum focus distance; also called a "close-up filter".
Dioptric
(obsolete) Pertaining to a diopter.
Diopter
(obsolete) Any lens system, such as a telescope.
Dioptric
(obsolete) Capable of being seen through.
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Diopter
(obsolete) A theodolite or similar surveyor’s angle measuring device.
Dioptric
(in the plural) The branch of optics concerned with refraction.
Diopter
(obsolete) An alidade.
Dioptric
A dioptric telescope.
Diopter
(obsolete) A surgical speculum.
Dioptric
Of or pertaining to the dioptre, or to the metric system of numbering glasses.
Diopter
(obsolete) An instrument for drawing the skull by projections.
Dioptric
Of or pertaining to dioptrics; assisting vision by means of the refraction of light; refractive; as, the dioptric system; a dioptric glass or telescope.
Diopter
An optical instrument, invented by Hipparchus, for taking altitudes, leveling, etc.
Diopter
A unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters