Today, laser eye surgery is one of the safest and most accurate treatments on the planet. So how does it actually work? | TED-Ed

Laser eye surgery is a highly effective way to correct vision problems such as nearsightedness, farsightedness, and astigmatism. The surgery works by reshaping the cornea, which is the clear front part of the eye, using a laser. This allows light to be properly focused onto the retina, resulting in clearer vision. The success of laser eye surgery depends on a number of factors, such as the patient’s individual eye anatomy, the severity of their vision problem, and the skill of the surgeon. Howev