In order to see perfectly clearly, any object we look at needs to be uniformly in focus at the back of the eye. Astigmatism occurs when part of the image is always out of focus, causing blurred vision.
Most glasses wearers will have some form of astigmatism. In more developed cases, or without treatment, symptoms could also include:
Astigmatism is usually something you’re born with, although it can develop and vary later on in life due to age-related changes. It’s not clear why it happens, but this eye condition is most likely linked to your genetics. You’re also more likely to have astigmatism if you’re short- or long-sighted.
Astigmatism could develop after:
Listed on a valid Medicare card without Optometry restrictions.