What is "astigmatism"?

What is "astigmatism"?

Robert K. Maloney (Ophthalmologist) gives expert video advice on: Are my frequent headaches due to vision problems?; What can cause temporary blindness?; What should I do if I lose my vision suddenly? and more...

Astigmatism means your eye's not round, like a basketball, the way it's supposed to be, but is instead oval-shaped, like a football. The problem with astigmatism is it blurs your vision far away and up close, both.