This results in decreased vision or blurry vision. Illustration by Alyssa Kiefer It’s not known what causes astigmatism, but genetics is a big factor. It’s often present at birth, but it may ...

Often, astigmatism is present at birth, but it can develop at any age. It may be due to genetics or an eye injury, disease, or surgery. Minor cases may not require treatment, but moderate to ...

It is unclear why some people are born with a cornea that does not curve properly, but there may be a genetic component. Infants born preterm have a higher risk of astigmatism than those born ...

Astigmatism is an eye condition where light doesn’t hit the back of your eye evenly. It happens when either your cornea or lens aren’t perfectly round. Instead, it’s shaped like a football.

Astigmatism is a refractive error that creates asymmetric blur in the vision due to the irregular corneal curvature/shape (corneal astigmatism) or the lens ...

Astigmatism, derived from Greek meaning "without spot," refers to a common refractive condition that decreases acuity. Astigmatism has both a magnitude and a direction, or axis, unlike spherical ...