Eyeglasses Prescription 101

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  Sphere, near/farsightedness
    possible values:
 
  (+) farsightedness              (-) nearsightedness
 
  PLANO or PL = nothing, enter 0.00 in the form
 
  Cylinder & Axis, astigmatism and associated angle, they come in pair
    possible values:
    (+)or (-) power, and associated axis
    DS/SPH/Sphere = nothing, enter 0.00 in cylinder and 000 in axis
 
  OD = right eye  OS = left eye
 
  ADD power added for near vision in bifocal and progressive lenses
    possible value:
 
  (+) power
   
Disclaimer
  This page is made in a simplified manner to help customers filling out our online order form. If you need prescription information for serious purpose, please refer to authoritative sources.