These are: Some of the parts to a prescription for glasses or contact lenses. Sphere is the amount of overall nearsightedness or farsightedness. Cylinder and axis are the amount and location of the amount of astigmatism.
Answered 1/16/2019
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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