What should you know before wearing bifocal glasses
New wearer, especially people who have myopia of high strength, will have a feeling of swirling. It is common and the symptom will disappear if you insist on wearing them for 1 to 3 weeks. As we see, ordinary presbyopic glasses can also be worn while reading in small distance. They can’t be used to see the far scenery.

No matter what kind of glasses, they should be kept in clean conditions. They should be wiped with specific glasses cloth and avoid them being hit and rubbed. Keep the lenses upturn while put on desk.

How to use it ?
(1) See things in a distance: raise your head and in the horizontal line. Use the upper part of lens to look. (2) See things near you: keep your head an 45°angle of the horizontal line and make your eyeballs turn down. Use the lower part of the lens to look. If you still can’t see them clearly, turn your eyes or head lightly until you find an ideal area to look. » Read more: How to Wear Bifocal Eyeglasses?