What does is mean 009 axis on my exam

Answers (2)

• Billy

  10/11/2017

  009 = 9 Axis=a number between 0 and 180 degrees, and indicates the orientation of astigmatism, measured in degrees from 1 to 180. If an eyeglass prescription includes cylinder power, it also must include an axis value, which follows the cylinder power.

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• Tony

  01/18/2019

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