If the vision test shows that you are nearsighted, your doctor will use certain examination devices to learn what is causing the myopia. By shining a special light into your eyes, a retinoscope will be used to see how light reflects off your retina. As the light is reflected back from inside the eye, it can indicate whether a person is nearsighted or farsighted.

PhoropterYour doctor will also use a phoropter, an instrument that the measures the amount of refractive error you have and helps determine the proper prescription to correct it.

Written by
Reviewed by Dr. Denise Satterfield on Sept. 1, 2013

Pop needs to be configured.