Dilation is an important part of a comprehensive eye exam because it enables your eye care professional to view the inside of
the eye. Drops placed in each eye widen the pupil, which is the opening in the center of the iris (the colored part of the eye). Dilating the
pupil allows more light to enter the eye the same way opening a door allows light into a dark room. Once dilated, each eye is examined using
a special magnifying lens that provides a clear view of important tissues at the back of the eye, including the retina, the macula, and the
This video describes what a doctor sees when examining the retina, optic nerve and macula after the pupils are dilated.