Eyeglasses & Eye Care Info » Eyeglasses » How to Buy Glasses Online To Save a Lot of Money
How to Buy Glasses Online To Save a Lot of Money
If you’re running into the same issues and you will when you visit your local optometrist, here’s how you can go about buying your glasses online:
1. You’ll Need a Prescription
If your old eyeglass prescription is still bring clear vision in your present lenses, then call up your optometrist to get your prescription. Note that you will not be able to use a contact lens prescription (the two are different). If your prescription is outdated, then you will have to go to an optometrist to get a new one.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.
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.
2. You’ll Need your Pupillary Distance
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 shop online. Ask them to write this number in, if they haven’t.
3. Be Careful of Add-Ons
The best thing to do is to figure out exactly what you want, and then find out what 3 or 4 different online retailers would sell for that exact same model, so that you are comparing apples to apples. For instance, if you know you want a memory titanium frame with a slight tint and anti-reflective coating then shop around for that exact same pair elsewhere. Some include the add-ons and others don’t, so go with the final price, not the advertised price that gets you in.
4. Shop Around
When shopping for glasses, don’t worry about the brand. A pair that I purchased under a generic brand was much better than any of the designer comparables that I saw at the optometrist.
Filed under: Eyeglasses · Tags: Oculus Dexter, Oculus Sinister, Optometrist, Pupillary Distance
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