- Optics. pertaining to dioptrics: dioptric images.
- Optics, Ophthalmology. noting or pertaining to refraction or refracted light.
- of or concerned with dioptrics
- of or denoting refraction or refracted light
- Relating to the refraction of light, especially by a lens. Dioptric lenses are used in Fresnel lenses and camera viewfinders. Compare catadioptric catoptric.