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2. Pupillary Distance: Types and How to Measure - WebMD

   www.webmd.com/eye-health/pupillary-distance

   Cover your right eye with your hand. Your friend will line up the 0 millimeters with the center of your left pupil. Uncover your eye, look straight ahead, and then cover your left eye. Your friend ...

3. Do I Need Reading Glasses? - WebMD

   www.webmd.com/eye-health/need_reading_glasses

   If you need glasses for distance vision as well, you might want to consider bifocals, trifocals, or progressive lenses. Bifocals help you see both close up and far away.

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

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

   Benefits of 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 ...

5. 9 Best Reading Glasses - Healthline

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

   Best understated readers: Warby Parker Haskell in Crystal. Best readers for reading in bed: Nooz Optics Armless Reading Glasses. Best readers and sunglasses in one: Foster Grant Frankie SunReader ...

6. How to Measure Pupillary Distance (PD) - Healthline

   www.healthline.com/health/how-to-measure-pd

   Stand in front of a mirror and hold the ruler horizontal. Keep it stable. Start with the ruler lined up to the center of one pupil and measure the distance to the next pupil. This number is your ...

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

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

   If your prescription reads -1.00, that means your eyeglasses need 1 diopter of strength to correct nearsightedness. If your prescription reads +2.50, your eyeglasses need 2.5 diopters of strength ...