Diopter (dpt),
Definition of Diopter (dpt):
A unit of refractive power, which is equal to the reciprocal of the focal length (in metres) of a given lens.
Metric unit of the refractive power of a lens, computed as inverse of its focal length in meters. Also spelled as dioptre.
How to use Diopter (dpt) in a sentence?
- Vision corrected to within one dioptre of perfect sight.
Meaning of Diopter (dpt) & Diopter (dpt) Definition
