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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Is Spherical Power In Vision An Improvement From Cylindrical Power?

Hi Doctor, I don t have much information regarding cylindrical and spherical power. I heard my doctor says that I have gone from -1.5 to -2.5 and now I have not cylindrical power as before but spherical one. Does it mean it has any improvement here or not at all? Also I have a suspect, as I done successfully the test of letters with my -1.5 eyeglasses my doctor said that we are not going to change them to -2.5. I m not clear at all. I m planning a visit to another doctor but I was lucky finding you also to write my concerts here. Thank you in advance, Waiting forward your response!
posted on Fri, 11 Dec 2015
Twitter Sat, 28 Mar 2020 Answered on
Twitter Tue, 31 Mar 2020 Last reviewed on
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General & Family Physician,  's  Response
Hi,

Cylindrical refractory error denotes a problem of vision at a particular part of lenses (particular segment of its area). Spherical error covers all the parts of occular lens so that there is uniform distribution of correcting lenses on glass of spectacles while cylindrical error needs correction in particular sector of lenses.

Hope I have answered your question. Let me know if I can assist you further.

Regards,
Dr. Vasudha Jayant Athavale, General & Family Physician
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Is Spherical Power In Vision An Improvement From Cylindrical Power?

Hi, Cylindrical refractory error denotes a problem of vision at a particular part of lenses (particular segment of its area). Spherical error covers all the parts of occular lens so that there is uniform distribution of correcting lenses on glass of spectacles while cylindrical error needs correction in particular sector of lenses. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Vasudha Jayant Athavale, General & Family Physician