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What are bifocals and how do they work?

This Dr Whiteboard explains what bifocal lenses are and how they work for you in your glasses.

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$400 PRADA MEN HAVANA BIFOCAL EYEGLASSES FRAMED GLASSES OPTICAL LENSES ITALY VPR $104.02

$400 PRADA MEN HAVANA BIFOCAL EYEGLASSES FRAMED GLASSES OPTICAL LENSES ITALY VPR

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$350 PRADA WOMEN BLUE EYEGLASSES FRAMED GLASSES OPTICAL LENSES BIFOCAL ITALY PR $85.96

$350 PRADA WOMEN BLUE EYEGLASSES FRAMED GLASSES OPTICAL LENSES BIFOCAL ITALY PR

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$320 Ray-Ban MENS BLUE EYEGLASSES FRAME GLASSES OPTICAL LENSES BIFOCAL ITALY $86.82

$320 Ray-Ban MENS BLUE EYEGLASSES FRAME GLASSES OPTICAL LENSES BIFOCAL ITALY

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$352 PRADA MENS GREEN BIFOCAL EYEGLASSES FRAMED GLASSES OPTICAL LENSES ITALY VPR $86.82

$352 PRADA MENS GREEN BIFOCAL EYEGLASSES FRAMED GLASSES OPTICAL LENSES ITALY VPR

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$405 PRADA MEN SILVER BIFOCAL EYEGLASSES FRAMED GLASSES OPTICAL LENSES ITALY VPR $95.42

$405 PRADA MEN SILVER BIFOCAL EYEGLASSES FRAMED GLASSES OPTICAL LENSES ITALY VPR

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$405 PRADA MENS GRAY BIFOCAL EYEGLASSES FRAMED GLASSES OPTICAL LENSES ITALY VPR $99.72

$405 PRADA MENS GRAY BIFOCAL EYEGLASSES FRAMED GLASSES OPTICAL LENSES ITALY VPR

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$415 TORY BURCH women BLUE EYEGLASSES FRAME GLASSES OPTICAL EYE LENS BIFOCAL 17 $82.52

$415 TORY BURCH women BLUE EYEGLASSES FRAME GLASSES OPTICAL EYE LENS BIFOCAL 17

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$350 PRADA MENS BLACK BIFOCAL EYEGLASSES FRAMED GLASSES OPTICAL LENSES ITALY VPR $86.82

$350 PRADA MENS BLACK BIFOCAL EYEGLASSES FRAMED GLASSES OPTICAL LENSES ITALY VPR

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$400 PRADA WOMEN WHITE EYEGLASSES FRAMED GLASSES OPTICAL LENSES BIFOCAL ITALY PR $91.12

$400 PRADA WOMEN WHITE EYEGLASSES FRAMED GLASSES OPTICAL LENSES BIFOCAL ITALY PR

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$325 Ray-Ban MENS PURPLE EYEGLASSES FRAME GLASSES OPTICAL LENSES BIFOCAL ITALY $69.62

$325 Ray-Ban MENS PURPLE EYEGLASSES FRAME GLASSES OPTICAL LENSES BIFOCAL ITALY

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$325 Ray-Ban WOMEN PURPLE EYEGLASSES FRAME GLASSES OPTICAL LENS BIFOCAL ITALY UV $82.52

$325 Ray-Ban WOMEN PURPLE EYEGLASSES FRAME GLASSES OPTICAL LENS BIFOCAL ITALY UV

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$325 Ray-Ban MENS HAVANA EYEGLASSES FRAME GLASSES OPTICAL LENSES BIFOCAL ITALY $91.12

$325 Ray-Ban MENS HAVANA EYEGLASSES FRAME GLASSES OPTICAL LENSES BIFOCAL ITALY

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News & Reviews

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FDA Consumer FDA Consumer
1990
ISBN
The Aging Eye The Aging Eye
Published by Simon and Schuster 2001
ISBN 9780743215039,0743215036
256 pages
Vision Aids in America Vision Aids in America
Published by McFarland 2011
ISBN 9780786485222,0786485221
218 pages
The Optical Journal and Review of Optometry. ... The Optical Journal and Review of Optometry. ...
2016
ISBN

Wide field-of-view bifocal eyeglasses - SPIE Newsroom

eyeglasses ourdailychallenge Photo by Old Shoe Woman on Flickr

Newsroom Home Astronomy Biomedical Optics & Medical Imaging Defense & Security Electronic Imaging & Signal Processing Illumination & Displays Lasers & Sources Micro/Nano Lithography Nanotechnology Optical Design & Engineering Optoelectronics &... The typical alternatives, still based on eyeglasses, include segmented focal regions (bifocal or trifocal lenses) or progressive addition lenses (PALs). In bifocal lenses the smaller part, located.

[via spie.org]

How retirees can save on prescription eyeglasses - The Spectrum - St. George Daily Spectrum

eyeglasses coincidence spectacles comment lenses maiac project365 kodakz1015 kodakeasysharez1015is Photo by Maia C on Flickr

What tips can you recommend for finding affordable prescription eyeglasses. I used to have vision insurance through my work, but lost it when I turned 65, retired, and signed up for Medicare. Looking For Eyeglasses. Prescription eyeglasses today aren’t cheap. If you are a Medicare beneficiary, you already know that original Medicare (Part A and B) and Medigap supplemental policies do not cover routine eye exams or eyeglasses (unless you’ve just had cataract surgery), but there are some Medicare... To locate Advantage plans in your area that provides vision coverage, visit Medicare.

[via www.thespectrum.com]

[03/16/16, via The Facts]
Consumer reports Pricier than bifocals ($105), they can take days to weeks to get accustomed to if made with CR-39 or polycarbonate lenses. n High-definition lenses ($310 for progressives) offer sharper vision and better peripheral vision than basic lenses. You might want ... [...]

[03/15/16, via Daily Local News]
Consumer Reports: Need eyeglasses? Don’t overlook this Pricier than bifocals ($105), they can take days to weeks to get accustomed to if made with CR-39 or polycarbonate lenses. • High-definition lenses ($310 for progressives) offer sharper vision and better peripheral vision than basic lenses. You might ... [...]

[03/15/16, via Digital Trends]
Prototype ‘omnifocal’ lenses can auto-focus on whatever you’re looking at As years pass, the lenses of your eyeballs gradually begin to thicken and become less flexible. This hampers your ability focus on things that are close to your face — so eventually, your only options are to either get a pair of bifocals, or hold all ... [...]

[03/14/16, via opticianonline.net]
Why are disposable contact lenses ideal for the new wearer? 5 A short adaptation period is usually normal with contact lenses for presbyopia, which would also be expected with a bifocal or varifocal/progressive spectacle lens. The technology used for multi-focal contact lens manufacture has required huge research ... [...]

[03/14/16, via The Huffington Post]
How Retirees Can Save on Prescription Eyeglasses Prescription eyeglasses today aren't cheap. You can easily spend $200 for a basic pair, but if you want designer frames or need bifocal or progressive lenses the price can more than double. Here are a few different options that can help you save. [...]

Wonderling: Philly is leading collaboration and innovation

Philadelphia has always been a city of inventors.  In 1888, Philadelphia-born Theophilus van Kannel invented the revolving door in order to cut down on chilly drafts that made their way into buildings. Townsend Speakman, a Philadelphia druggist, invented soda in 1807. Of course, we all know the most famous inventor of our region: Benjamin Franklin, creator of the odometer, the bifocal glasses, and the lightning rod, to name a few.Thinking up new and problem-solving ideas is in...

6 Things to Know When Buying Glasses Online

© robertsrob eye exam If you're shopping for a new pair of eyeglasses, you may get sticker shock when you pick up a pair of frames at your local optician's office. It certainly doesn't help that vision insurance doesn't always cover glasses — and when it does, it may not cover the whole cost. Another option is to take your shopping to the internet, where you'll find a better selection and lower prices. Here are six things to know when buying glasses online. Your Prescription Status You'll...

Ask the Optician: For the full spec on eyewear from Marbella specialists

Nerea Galdos, Store Director from Specsavers Opticas MarbellaWe’ve been asked to go back to basics for this month’s column by someone who thinks they may need glasses but doesn’t know what the options are! What are single vision lenses?These are lenses which have a single prescription over the whole lens. If you only use glasses for driving or reading, you might be prescribed these.What are multifocal lenses?As their names suggest, multifocal lenses enable you to have more than one...