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Diopter

Updated: Apr 1, 2022



Diopters are a unit of measurement of a lens's refractive power. In ophthalmology, diopters refer to the refractive power of a lens that would be required to correct the eyesight of a given eye.


  • A negative diopter implies shortsightedness.

  • A positive diopter implies farsightedness.

 
 
 

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