EAstigmatism may be associated with Myopia and / or Hyperopia. The most used notations are: Cylinder, Cilindro, Cyl or Cyl. Usually it appears with negative sign (-) although some professionals write it with positive sign (+). It is the power in diopters that indicates the amount of Astigmatism. If the word NEUTRAL appears in the sphere box, it means that the value of the sphere is 0.00. The value of the sphere is recorded in steps of 0.25 Diopters (+1.25, -2.50, +3.75). The notation appears as sphere, sph, or sph. It does not provide medical advice, nor does it replace a comprehensive eye health exam by an eye care professional.Indicates the diopters that correct refractive errors such as nearsightedness (with negative (-) sign) or farsightedness (with the positive (+) sign). According to a company rep, "This service is FDA-listed and registered as a Class 1 Exempt Medical Device on the FDA Medical Device Listings. Update: To clarify the legality of this tool, we reached out to. Just take note that the app doesn't store any of this information if you want to retrieve it later, you'll have to sign back into your account in a browser. When you're done, you'll be asked to create a account, at which point you should immediately see your prescription.Īnd that's it! Armed with that data, you can order lenses and frames from anywhere. It's a pretty simple process that takes all of about 10 minutes. (Make sure to verify its accuracy before ordering any new glasses.)
Once the scan is done, the site will show you your prescription. It ends with a pupillary-distance (PD) scan, which rather amusingly requires you to hold the card up to your forehead. From there you'll hold your glasses between the phone and the screen for various readings. You'll first need to scan an onscreen QR code, then hold the credit card up to the screen and scan that. Step 3: Once you've installed the app, following the guided tutorial. Then, plunk down in front of your computer and point your browser to Step 2: Enter your phone number or email address to receive a link for the GlassesUSA app. Step 1: Grab your current glasses, your smartphone and a credit card (or any other plastic card that's the size of a credit card - it's used to calibrate the app, not for payment). Indeed, if you haven't had your vision checked in a year or more, it might make sense to schedule an appointment.īut if you just want a quick and easy way to find out what kind of lenses you have right now, here's how:
Read more: Use your phone to check your vision | Best places to buy prescription glasses online in 2019Īnd according to, the results are "in line with the standard range of deviation as in any doctor's office" - though this isn't meant to take the place of an eye exam.
I took it for a spin with my son's glasses and the results matched his current prescription.
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Thankfully, if you have a pretty basic prescription (meaning they're not bifocals, progressives or Coke-bottle lenses), there's a free tool from that can scan your current glasses. Or you just feel weird about asking because they'll know you're shopping elsewhere. Sure, you can call your optometrist to get the numbers - unless the office is closed. Just one wrinkle: You need to know your prescription. Want to freshen your face with a new pair of eyeglass frames? As you probably know, you can save a small fortune by ordering glasses online.
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