| Dptr | diopter |
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| PD | Doctor of Pharmacy; Dublin Pharmacopoeia; interpupillary distance; Paget disease; pancreatic duct; p... |
| D | 4-diopter |
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| PD | prism diopter |
| diopter | <microscopy> An optical unit representing the reciprocal of the focal length (in metres) of a lens, in terms of the metre. A 1 diopter lens has a focal length of 1 metre, a 2-diopter lens has a focal length of 1/2 metre, etc. The diopter expresses the power as in spectacles or other weak lenses. (05 Aug 1998) |
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| prism diopter | The unit of measurement of the deviation of light in passing through a prism, being a deflection of 1 cm at a distance of 1 m. (05 Mar 2000) |
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| 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; used by oculists
Ãâó: wordnet.princeton.edu/perl/webwn
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|---|---|
| diopter |
The measurement of the power of a lens. May be positive or negative and is usually expressed in three digits such as +4.00 or -3.75. See lens.
Ãâó: www.geocities.com/likeglass55/glossary.html
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| diopter |
Unit which measures the refractive (light-bending) power of a lens; eyecare practitioners use it in eyeglass and contact lens prescriptions. A negative number refers to nearsightedness, while a positive number refers to farsightedness. For example, someone with -8.00 diopter lenses is very nearsighted, while someone with +0.75 diopter lenses is only slightly farsighted.
Ãâó: www.allaboutvision.com/resources/glossary.htm
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| diopter |
(di-AHP-tur). Unit to designate the refractive power of a lens.
Ãâó: www.eyeglossary.net/
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| diopter |
A unit of measure of the refractive power of a lens.
Ãâó: photographytips.com/page.cfm/1601
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