technology adds dimension to prescription eyeglasses
Last Updated : GMT 09:07:40
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Last Updated : GMT 09:07:40
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Technology adds dimension to prescription eyeglasses

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Egypt Today, egypt today Technology adds dimension to prescription eyeglasses

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Google Glass has been hogging the spotlight when it comes to eyewear, but get ready to see new technology designed for those stuck with old-fashioned prescription eyeglasses. About 64 percent of Americans wear glasses to improve vision. Many can’t stand them, complaining that glasses are cumbersome, headache inducing or don’t work in all situations. Meanwhile, the growing amount of time people spend in front of computers and mobile devices has also raised concern about the potential damaging effects on eyesight. That’s spurring innovation among eye specialists, who say the glasses industry has been largely stagnant since bifocals were invented by Benjamin Franklin in the 18th century. “It’s a marketplace with slow technology adoption. There hasn’t been new technology in eyeglasses in forever,” said Stephen Kurtin, chairman of Superfocus, which makes adjustable-focus glasses that enable wearers to choose the best focus for every distance. Now companies are designing a host of solutions to aid glasses wearers, including futuristic lenses and even an iPhone application that developers say can help people wean themselves off glasses. One area of focus has been on reducing eyestrain for people who spenda several hours a day staring at computers, tablets and smartphones. Many optometrists believe the light emitted from such devices could damage a viewer’s eyesight over time, although that hasn’t been conclusively proven. Still, lens companies are rolling out a slew of new lenses that they say will help ward off those potentially harmful effects. “Why would you take the risk? Let the science unfold and let us protect ourselves as it’s unfolding,” said Don Oakley, president of VSP Optics Group, which this year introduced its Unity with BluTech lenses at 30,000 eye doctor offices in the US. BluTech lenses are infused with melanin, a natural pigment found in the iris of the eye, to help filter out high-energy blue light and UVA/UVB radiation while allowing what Oakley called “innocuous” light to pass through. The melanin gives BluTech lenses a yellowish hue, and is available for any prescription. Other companies produce lenses with blue-light filtering coatings. Oakley said BluTech lenses reduce eyestrain and fatigue from long hours spent in front of the computer. Adding BluTech lenses to a pair of glasses is typically less than $100; they can be worn indoors and outdoors and can also be added to nonprescription glasses. He cautioned that BluTech “doesn’t prevent anything per se but it protects.” Although many eye doctors think all that time staring at your smartphone is bad for your eyes, one firm is encouraging people to use mobile devices to improve their vision. GlassesOff Inc. is gearing up to launch an iPhone app this year that it claims can enhance nearvision sharpness. The New York company contends that human vision is based on two main factors: the quality of an image captured by the eyes and the image-processing capabilities of the brain as it interprets the image. By spending 12 to 15 minutes a day, three times a week for three months completing a game-like program, GlassesOff says, a user can improve the imageprocessing function by teaching the brain to better interpret blurred images. The app is tailored for each individual and adapts according to his or her progress; the goal is to wean a viewer off reading glasses altogether. “It’s relevant to practically any person that I know,” said Nimrod Madar, chief executive of GlassesOff. “We can empower people to self-improve their vision condition, so you’re no longer depending on external intermediates.” The notion that people can improve their eyesight through eye exercises has drawn skepticism from some optometrists and ophthalmologists. But in a paper published in the journal Scientific Reports, the scientists behind GlassesOff said participants in a study at the University of California-Berkeley showed a nearly 10-year improvement in eye age. That enabled them to be able to see more than two lines further down an eye chart and achieve normal or nearnormal visual performance. That was the case for Sharon Hayat, 46, who had depended on low-strength reading glasses to see small text. She was approached by GlassesOff to be a participant in an early trial this summer, an offer she accepted despite being “very skeptical, very dubious.” “It’s kind of like a video game that you play,” the homemaker from Skokie, Ill., said. “There are these little dots that flash and these little stripes and I was like, ‘This is not going to do anything.’ “ But by the end of the program, she said, she had no trouble reading newspapers and menus without her reading glasses. She was even able to reduce the text size on her Kindle e-reader. “Just this week, I had my son’s cough medicine and I didn’t need anything to read the label,” Hayat said. “I hate to sound like a commercial, but it really did work.” In the past few years, one of the new lens technologies that has gained the most traction is adjustablefocus eyeglasses. The glasses are intended for people afflicted by presbyopia, an aging condition that affects the eye’s ability to focus on close objects, and are made by a handful of companies, including Van Nuys, Calif., company Superfocus and Britain’s Adlens. Superfocus’ adjustable-focus glasses feature fluidfilled lenses and a slider on the nose bridge. Users can manually adjust their lenses by moving the slider to the desired position, which changes the focus of the lens and eliminates the need to switch between multiple pairs of glasses or the use of bifocals or progressives. Since being introduced to the commercial market four years ago, Superfocus has sold several thousand pairs nationwide, said Kurtin, the company’s chairman. The lenses took years to develop because it was “technologically so difficult,” he said. “You want to make a lens that has all the commercial attributes, yet change shape, yet be optically perfect.” Source: Kuwait Time

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technology adds dimension to prescription eyeglasses technology adds dimension to prescription eyeglasses



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