How Does Refraction Affect Your Vision?
How Does Refraction Affect Your Vision? We see the world around us because of the way our eyes bend (refract) light. Refractive errors are optical imperfections that prevent the eye from properly focusing light, causing blurred vision. The primary refractive errors are nearsightedness, farsightedness and astigmatism. What is vision refraction? Refraction is the bending of