dioptric

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dioptric

 [di-op´trik]
pertaining to refraction or to transmitted and refracted light; refracting.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

dioptric

adjective
(1) Refracting, refractive. 
(2) Related to the field of dioptrics.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.