bn:02691795n
Noun Concept
Categories: Optical quantities
EN
optical power  convergence power  Convergence powers  dioptric power  Dioptric powers
EN
In optics, optical power is the degree to which a lens, mirror, or other optical system converges or diverges light. Wikipedia
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EN
In optics, optical power is the degree to which a lens, mirror, or other optical system converges or diverges light. Wikipedia
The degree to which a lens converges or diverges light Wikipedia Disambiguation
A person who is longsighted see distant objects clear but cannot focus on near objects Wikidata