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Get a ورقة الفحص الطبي written specifically for eyeglasses.

Note: The prescription for contacts CANNOT be used for eyeglasses.

Let's take the following data as an exmaple:

  SPH CYL المحور ADD Prism Base
R (OD) +1.00 -0.50 179 +1.50 2 Up
L (OS) -0.50 -1.25 003 +1.50 2 Down
PD 64 - OR - R 32 / L 32
OD Right eye, latin for Oculus Dexter
OS Left eye, latin for Oculus Sinister
OU Both eye, latin for Oculus Uterque
SPH Abbr. of Sphere, the degree of correction, it corrects your near or farsightedness.
CYL Abbr. of Cylinder, it corrects your astigmatism, it will be 0 if you don't have astigmatism
المحور It indicates the orientation of astigmatism, measured in degrees from 1 to 180. It must follow with CYL. NO CYL, NO المحور
ADD or NV Addition or Near Vision, it is calculated for getting the correction for reading or near vision, it can be used for bifocal or multifocal progressive glasses.
Prism Prismatic value, it is needed to compensate for any alignment problems in your eyes.
Base The direction of a prism. There are 4 directions, up, down, in, out.
PD Pupillary Distance. It's the distance in millimeters between the center of one pupil to the center of the other. How to measure my PD?

Now that you know what these terms mean, you know how to read a glasses prescription, which is the most important part of learning how to buy prescription glasses online.

Now you can shop online.

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