With typical vision, an image is sharply focused onto the surface of the retina. In nearsightedness, the point of focus is in front of the retina, making distant objects appear blurry.
Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.
Check out these best-sellers and special offers on books and newsletters from Mayo Clinic Press.
Give by Dec. 3 to double your impact.