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My astigmatism changed from .50 to 3.5 within four years. Is this a bad sign or normal?
Astigmatism can spontaneously change over time. A 3 unit change in four years is greater than we usually observe but it can happen. The first thing I would suggest is to get a re-measurement with this change in mind to see if it actually did occur. Astigmatism is not a sign of any pathology so even if this actually did occur as you indicate, it does not mean that anything was wrong with your eyes.
Answered by: Richard Bensinger, MD
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Answered: Jul 01, 2013
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