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I have checked my power recently. I have -2.50 sph and -0 .50 cyl with 180° axis on both eyes. Since we don't get cyl power below -0.75 cyl in a lens, the shopkeeper adviced me to take -2.75 sph lens. Is that OK if I increase my power by .25 sph to compensate for -0.50cyl with 180° axis
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You have been given correct advice ,- 2.75 is correct for power you have mentioned in your question, with regards
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Hello
A. In one way,it is okay as the spherical equivalent is same
B. Having said that,some people are very sensitive for cylindrical power..In that case you may feel some headache but otherwise it is okay to use spherical power only
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Disclaimer : The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding your medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.