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Diopter

   Also found in: Dictionary/thesaurus, Legal, Financial, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.04 sec.
diopter /di·op·ter/ (di-op´ter) a unit for refractive power of lenses, being the reciprocal of the focal length expressed in meters; symbol D.
prism diopter  a unit of prismatic deviation, being the deflection of 1 cm. at a distance of one meter; symbol ?.
di·op·ter (d-ptr)
n. Abbr. D.
A unit of measurement of the refractive power of lenses equal to the reciprocal of the focal length measured in meters.
Diopter (D)
Unit describing the amount of focusing power of a lens.
Mentioned in: Myopia, Photorefractive Keratectomy and Laser-Assisted In-Situ Keratomileusis, Radial Keratotomy
diopter
a unit adopted for calibration of lenses, being the reciprocal of the focal length when expressed in meters; symbol D.
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Other problems have included improper collimation, no purging and incorrect zero diopter settings and infinity focus.
The word is out by PS, the Preventive Maintenance Monthly
The implants are scleral constrictor bands, segments or ribs for inducing accommodation of a few diopters, to correct refractive errors.
Surgical correction of human eye refractive errors by active ... by Samples, Bob / Rubber World
The lens can treat nearsightedness between the ranges of -4 to -20 diopters with up to 3 diopters of astigmatism.
Corrective vision surgery moves to next level. (Health Care Services: ... by Boxer Wachler, Brian S. / Los Angeles Business Journal
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