What are bifocal progressive lenses? What are they used for?
If you’re a 40-something who has trouble reading fine print, you have more lens options than the old lined bifocals your parents wore. Bifocal progressive lenses, sometimes called “no-line bifocals,” are multifocal lenses that eliminate the lines of a bifocal or trifocal lens. They look exactly like single vision lenses so nobody will know your arms have gotten too short to see small print!
Patients must learn about progressive lenses so they can understand how to use them and what to expect.
Progressive lenses are the most exciting and most technologically advanced spectacle lenses available.
They continue to increase in popularity and are now the most widely purchased lenses to correct presbyopia (the loss of near vision with age). Some people experience problems with progressive lenses when they try to adapt the first time or even to a new pair in a different frame and/or a different optical prescription.
Then how to solve problems happened when we have bifocal progressive lenses for the first time?
Remember to point your nose directly at what you want to see. Then raise or lower your chin until the object comes into the best focus. You may feel an initial difference in peripheral vision that will require some slight changes in horizontal head and eye movement. This will diminish with wearing time. Most people will adapt in a few hours although some can require as long as two weeks. If you are not adapted within two weeks you should return for a consultation with the optician that fitted your eyeglass frames to your face.
If you are over 40 and have trouble in reading, you can try bifocal progressive lenses. But remember when you wear them for the first time, there will be some comfort. But it will disappear soon. Do not worry.
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Address:http://www.visioncarehome.com/about-bifocal-progressive-lenses.html
