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What does axis mean on my prescription? Answer: The axis number on your prescription tells your optician in which direction they must position any cylindrical power in your lenses (required for people with astigmatism). This number shows the orientation or angle in degrees from 1 to 180. The number 90 means vertical position and 180 horizontal. A higher number for the axis does not mean that your prescription is stronger - it simply describes the position of the astigmatism. Prescription Was this answer helpful?
One more number will be the axis of the astigmatism. To acquire your eyeglass prescription correct, the physician should not merely figure out how much astigmatism you could have, but what axis your eye has. Astigmatism means your eye is not spherical. Axis determines at what angle your eye rests. Imagine holding a football on its point, then leaning it to a single side or another for a 90-degree angle. The axis inside your prescription determines this angle inside your eye. The difference between Freeform and classical progressive lenses.