Doctor insights on:
Astigmatism might require corrective lenses or glasses. At what level of astigmatism would I need help?
When blurred: Astigmatism is very common -- almost everyone has a little bit. It simply means that the cornea is not perfectly round, but rather has one steeper and one flatter curvature (like the side of a football rather than a basketball). People with more than 0.75diopters of astigmatism usually notice that images are blurred without glasses or contacts. ...Read more
Usually not: Astigmatism is a physical curvature aspect of the cornea and lens of the eye which in effect makes the eye oval. The term astigmatism is from physics and is not usually a bad thing. The correction is a reverse oval in the eyeglasses or contacts. Most astigmatism is small and easily corrected. Sometimes it is large or irregular and that make perfect vision difficult. See your ophthalmologist. ...Read more
Probably not: Astigmatism, an eye ovalness, is relatively stable and generally will not change much year to year. The frequency of needs for eye examinations relate to the underlying health of the eye (do you have diabetes for instance?), your age, medical history and eye diseases. Annual examinations can be a marketing tool to sell more contacts and glasses in some cases. ...Read more
Yes: "astigamatism symptoms", generally blurred or distorted vision, can be caused by many things. Incorrect glasses prescription, or glasses fitting in a tilted or "crooked" manner, can also cause these symptoms. See an ophthalmologist or optometrist to see if the glasses prescription is correct, and that they are fitting properly. ...Read more
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