Definition of Diopters. Meaning of Diopters. Synonyms of Diopters

Here you will find one or more explanations in English for the word Diopters. Also in the bottom left of the page several parts of wikipedia pages related to the word Diopters and, of course, Diopters synonyms and on the right images related to the word Diopters.

Definition of Diopters

Diopter
Diopter Di*op"ter, Dioptra Di*op"tra, n. [L. dioptra, fr. Gr. ?. See 2d Dioptric.] An optical instrument, invented by Hipparchus, for taking altitudes, leveling, etc.

Meaning of Diopters from wikipedia

- A dioptre (British spelling) or diopter (American spelling), symbol dpt or D, is a unit of measurement with dimension of reciprocal length, equivalent...
- of 100 metres. High end diopters typically accept accessories to aid the shooter's ability to see the target clearly. Diopters are found in particular...
- length of eyeball is too short. About 1 mm decrease in axial length cause 3 diopters of hypermetropia. One condition that cause axial hypermetropia is nanophthalmos...
- least −1.00 diopters of myopia and 5% have at least −5.00 diopters. In Australia, the overall prevalence of myopia (worse than −0.50 diopters) has been...
- up diopter in Wiktionary, the free dictionary. In modern usage, diopter or dioptre is a measure of the optical power of an optical system. Diopter may...
- mostly used by people with advanced presbyopia who have been prescribed 2 diopters or more of reading addition. The intermediate addition is normally half...
- Every corrective lens prescription includes a spherical correction in diopters. Convergent powers are positive (e.g., +4.00 D) and condense light to correct...
- Farsighted for Two Diopters (Bulgarian: Два Диоптъра Далекогледство / Dva Dioptara Dalekogledstvo) is a 1976 Bulgarian comedy film directed by Petar B...
- results in a near point greater than 25 cm (or equivalently, less than 4 diopters). In optics, the closest point at which an object can be brought into focus...
- specified by their optical power in diopters, the reciprocal of the focal length in meters. For a close-up lens, the diopter value is positive: the bigger the...