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Loading ...How to get your Prescription
If your old eyeglass prescription is still bring clear vision, then get your prescription from your optometrist.
If your prescription is outdated, then you will have to go to an optometrist to get a new one. General eye exams are usually covered by your vision insurance, if you have one. Check with your vision insurance provider to be certain.
Here are some terms you’ll need to be aware of when ordering glasses online.
• OD (Oculus Dexter) means your right eye
• OS (Oculus Sinister) means your left eye
• The Sph or Spherical correction is how near (-) or far (+) sighted you are. If you have ‘PL’, that means you are at zero.
• Add is for bifocals
• Cylinder and Axis is for astigmatism, meaning that your eyeball is not perfectly spherical.
Pupillary Distance (PD) is the distance between your pupils, usually measured in millimeters. Pupillary distance generally falls between 54 and 68 mm. Optometrists will usually take this measurement during your exam, but if they don’t, then you can measure the distance yourself with a mirror and a ruler.
Most optometrists will not write this number on your prescription, because they know that it gives you the ability to buy glasses online. Ask them to write this number in, if they haven’t.
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