Vision correction is any method used to improve eyesight when the eye cannot focus light properly onto the retina. This includes glasses, contact lenses, laser surgery, and other medical procedures designed to sharpen blurred or distorted vision caused by refractive errors like nearsightedness, farsightedness, and astigmatism.
If you struggle to read road signs, find small print challenging, or notice images appearing fuzzy at certain distances, you’re experiencing the effects of a refractive error. The human eye works through precise coordination between the cornea and lens to bend incoming light and focus it on the retina. …
What Is Vision Correction (and How Does It Work)?
