What does «poder refractivo» mean in Spanish?
- The ability of a lens (eyeglass, contact lens, cornea, crystalline lens, etc.) to achieve refraction. Many lenses, including the eye, can increase or decrease their refractive power, thereby bringing the focus of light rays directed to the retina or the light reception area (in the case of cameras, for example) further forward or further back. Refractive power depends on three factors: