eyeglass prescription reader app

1. Can I scan my glasses for prescription?
2. Is GlassesUSA prescription scanner accurate?
3. How do I convert my glasses prescription to reading glasses?
4. How do I know my reading glasses prescription?
5. Where can I find my glasses prescription?
6. How can I get my eye prescription online for free?
7. What are the numbers on the side of my glasses?
8. What's a bad prescription for glasses?
9. Is there a difference between prescription reading glasses and store bought?
10. Does eye prescription 1.25 mean?
11. What does 1.50 reading glasses mean?

Can I scan my glasses for prescription?

The app works by using your phone camera and your computer screen together to accurately scan your lenses. ... The app only reads the current prescription in your existing glasses. If you don't like your current prescription, or feel like your vision has changed and you need a new one, you'll have to visit your eye doctor.

Is GlassesUSA prescription scanner accurate?

Keep in mind that the app only works on single vision prescriptions between -6.00 and +3.00 and a cylinder measurement lower than -2.50. Most people fall in between that threshold, but if your lenses are very strong, very weak, or bifocals, it won't accurately read them.

How do I convert my glasses prescription to reading glasses?

To convert a multi-focal prescription for single vision reading glasses, simply combine the Add number and the Spherical number. For example, if the Add were +2.25 and the OD-Sph was -0.50, the new OD-Sph for reading glasses would be +1.75; if the Sph were +0.25, the new Sph would be +2.50.

How do I know my reading glasses prescription?

However, you have to do a little algebra to figure the total power needed for single-vision reading glasses. In the example above, it is -2.00 +1.75 = -0.25. So the prescription for reading glasses for the right eye would be -0.25 – 0.50 x 180. For the left eye, the calculation is +1.75 +1.00 = +2.75 D.S.

Where can I find my glasses prescription?

Your prescription will be registered at any optician or eye practice where you have had an eye exam. In most instances, you will be given a copy of your prescription after the exam, but in the event that you are not, you can always request one.

How can I get my eye prescription online for free?

Today, several companies offer online vision exams for an easier alternative to in-person eye exams.
...
4 Best Free Online Eye Exams

1. FinestGlasses.com. ...
2. ZEISS.com. ...
3. DiscountContactLenses.com. ...
4. DiscountGlasses.com.

What are the numbers on the side of my glasses?

These numbers are the measurements that indicate and describe the size of your eyeglass frames, specifically: 1) The eye size number (it is the size of the lenses on your frame). 2) The bridge size number (the distance between the lenses).

What's a bad prescription for glasses?

For the nearsighted, the American Optometric Association (AOA) has determined the following levels of severity: If your number is between -0.25 and -2.00, you have mild nearsightedness. If your number is between -2.25 and -5.00, you have moderate nearsightedness.

Is there a difference between prescription reading glasses and store bought?

Over the counter reading glasses offer the same prescription in both lenses even though most people have one eye that is stronger than the other. In contrast, eye glasses purchased through your eye doctor can be customized to fit the prescription your eyes truly need. ... Dollar–store lenses have very poor quality control.

Does eye prescription 1.25 mean?

Here are two examples: If your prescription reads +1.25, you are slightly farsighted. If your prescription reads -5, you are significantly nearsighted. The next column may be a “C” or “Cylinder,” and it's used to describe astigmatism, which just means your eye isn't perfectly round (like most people!).

What does 1.50 reading glasses mean?

If you can read this, 2.00 is the proper strength for you. If you can read this, 1.75 is the proper strength for you. If you can read this, 1.50 is the proper strength for you. If you can read this, 1.25 is the proper strength for you. If you can read this, 1.00 is the proper strength for you.