Refractive Readings SPH. CYL. AXIS

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Refractive Readings SPH. CYL. AXIS

Postby DryEye » Mon Mar 05, 2007 8:32 pm

What do each of the categories for prescrition do/correct?

SPH.
CYL.
AXIS

Thanks
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Re: Refractive Readings SPH. CYL. AXIS

Postby LasikExpert » Mon Apr 02, 2007 2:41 am

DryEye wrote:What do each of the categories for prescrition do/correct?

SPH.


Sphere is myopia (nearsighted, shortsighted), hyperopia (farsighted, longsighted) and emmetropia (no refractive error).

DryEye wrote:CYL.


Astigmatism

DryEye wrote:AXIS


The direction of the astigmatism.

We have a detailed article about how to read glasses prescription that may be of interest.
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