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2. How to Read an Eye Prescription: What the Numbers Mean

   www.healthline.com/health/how-to-read-eye...

   Eyeglass strength is measured in diopters. If your prescription reads -1.00, that means your eyeglasses need 1 diopter of strength to correct nearsightedness. If your prescription reads +2.50 ...

3. How to Use the Amsler Grid to Test Your Vision - Healthline

   www.healthline.com/health/using-the-amsler-grid

   Here’s how to use the Amsler grid as part of monitoring your wet AMD: 1. Print out the Amsler grid. The Amsler grid looks best on pure white matte paper. You can get your own copy to print off ...

4. Do I Need Reading Glasses? - WebMD

   www.webmd.com/eye-health/need_reading_glasses

   As your eyes get less flexible, your close vision gets worse. It's a condition called presbyopia, and it may make you wonder if you need reading glasses. Here are a few signs that you do: When you ...

5. Do I Need Glasses? Exam, Reading, Headaches, and More

   www.healthline.com/health/do-i-need-glasses

   Symptoms of needing glasses can vary depending on the kind of eye issue you’re having. Common symptoms include: blurred vision. double vision. fuzziness (when objects don’t have defined, clear ...

6. Progressive Lenses: Pros and Cons of Progressive Lens Glasses

   www.webmd.com/eye-health/about-progressive-lenses

   With progressive lenses, you won't need to have more than one pair of glasses with you. You don't need to swap between your reading and regular glasses. Vision with progressives can seem natural ...

7. Eyeglasses: Tips to Help You Pick the Right Lenses - WebMD

   www.webmd.com/eye-health/eyeglasses-eyes

   These have two or more prescriptions to correct your vision. In the past, you could spot this type of lens by the line between the two sections. But today’s products often look seamless ...

8. Snellen chart - Wikipedia

   en.wikipedia.org/wiki/Snellen_chart

   In the most familiar acuity test, a Snellen chart is placed at a standard distance: 6 metres. At this distance, the symbols on the line representing "normal" acuity subtend an angle of five minutes of arc, and the thickness of the lines and of the spaces between the lines subtends one minute of arc. This line, designated 6/6 (or 20/20), is the ...

9. 9 Best Reading Glasses - Healthline

   www.healthline.com/health/best-reading-glasses

   Gamma Ray Men’s Reading Glasses. Price: $ Magnification range: +1.00 to +4.00 If you’re familiar with that feeling of realizing you left your reading glasses somewhere, your best solution may ...