Changing Astigmatism

Initially my astigmatism was .25D 6 months ago.Then it increases to .75D as I was not using spectacles, but after it I started using spectacles. After 1 month now astigmatism is .5D. Why the number is variying ?? Doctor said i am having some convergence insufficiency.
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Doctor Answers (1) on Changing Astigmatism

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Dr. Vaibhev Mittal Sangrur | Ophthalmologist/ Eye Surgeon
Hello dear....cylinderical number does not chaange whether u use glasses or not....change in cylinderical number is .natural process uninfluenced whether u are wearing glasses or not....secondly...there may be normal variation of 0.5D in between multiple visits to doctor....so dont worry Thirdly....there is no corelation between cylinderical number and convergence insufficiency... So just relax.. I hope i answer ur all questions
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