Definitions for "Diopter"
An optical instrument, invented by Hipparchus, for taking altitudes, leveling, etc.
Unit for measuring a lens' refractive power. In photography, the term is used with close-up lenses and corrections to the viewfinder to adjust it to the user's eyesight.
(D) (di-AHP-tur): Unit designating the refractive power of a lens.
Molecular Systemic Monovision
Mediator Stroma Membrane Substrate
Adjustable part of camera viewfinder which compensates for individuals eyesight.
a value that is metric and universal worldwide
An adjustment that compensates for the differences in users' vision.