A condition in which the irregular-shaped cornea (corneal astigmatism) or lens (lenticular astigmatism) causes light to focus on two points in the back of the eye rather than just one.
« View GlossaryA condition in which the irregular-shaped cornea (corneal astigmatism) or lens (lenticular astigmatism) causes light to focus on two points in the back of the eye rather than just one.
« View Glossary