What Does Spherical (SPH), Cylinder (CYL), Axis (AXI) in Prescription Glasses?
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Hi. Can anyone help me read this. I read online that cylinder means astigmatism, and sphere means myopia. So do I have astigmatism? Do I have myopia at all? : r/glasses
How to Read Your Eyeglass Prescription – ReadingGlasses.com
What Does Sphere, Axis, Cylinder Mean for Glasses? – Bon Charge