http://en.wikipedia.org/wiki/Eyeglass_preion
The info you have is either incomplete or confusing. The astigmatism for each eye should be stated separately with the orientation. Also you would need the frame size (specified by the distance between the pupils and the length of the leg). Where did you get that preion from?
The info you have is either incomplete or confusing. The astigmatism for each eye should be stated separately with the orientation. Also you would need the frame size (specified by the distance between the pupils and the length of the leg). Where did you get that preion from?
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