Current Eyeglasses News and Events

Current Eyeglasses News and Events, Eyeglasses News Articles.
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An optical coating like no other
The technology, based on Fano resonance, results in a coating that fully reflects only a very narrow wavelength. The technology could improve the effectiveness of devices that use hybrid thermal-electric power generation as a solar energy option. (2021-02-04)

Do eyeglasses help keep coronavirus out? Johns Hopkins expert says more evidence needed
According to a new Chinese study, wearing eyeglasses for more than eight hours per day may offer some protection against SARS-CoV-2, the virus that causes COVID-19. A Johns Hopkins Medicine infectious disease expert says that more evidence is needed to confirm any actual benefit. (2020-10-06)

Eyeglasses and COVID-19
Researchers in this observational study examined the association between wearing eyeglasses daily and susceptibility to COVID-19. (2020-09-16)

A smart eye mask that tracks muscle movements to tell what 'caught your eye'
Integrating first-of-its-kind washable hydrogel electrodes with a pulse sensor, researchers from the University of Massachusetts Amherst have developed smart eyewear to track eye movement and cardiac data for physiological and psychological studies. The eyewear -- known as Chesma and presented August 20 in the journal Matter--provides accurate measurements in an everyday environment without compromising users' comfort. (2020-08-20)

Monolayer transition metal dichalcogenide lens for high resolution imaging
An ultrathin optical lens made from monolayer of two-dimensional transition metal dichalcogenides (TMDCs) could pave the way for next-generation imaging devices. An international team of researchers, led by Prof. Baohua Jia from Swinburne University of Technology in Australia, used femtosecond laser writing to pattern nanoparticles on TMDC crystals. The lens has a sub-wavelength resolution and a three-dimensional focusing efficiency of 31%, laying the foundations for optical devices for use in nano-optics and on-chip photonic applications. (2020-08-13)

Nanostructures modeled on moth eyes effective for anti-icing
Researchers have been working for decades on improving the anti-icing performance of functional surfaces and work published in AIP Advances investigates a unique nanostructure, modeled on moth eyes, that has anti-icing properties. Moth eyes are of interest because they have a distinct ice-phobic and transparent surface. The researchers fabricated the moth eye nanostructure on a quartz substrate that was covered with a paraffin layer to isolate it from a cold and humid environment. (2020-08-04)

Stanford team develops an inexpensive technique to show how decisions light up the brain
A technique called COSMOS will help researchers understand how our brains work and aid in the development of new drugs. The inventors have created an instructional website to help other researchers build their own relatively-inexpensive COSMOS systems. (2020-06-02)

Researchers incorporate computer vision and uncertainty into AI for robotic prosthetics
Researchers have developed new software that can be integrated with existing hardware to enable people using robotic prosthetics or exoskeletons to walk in a safer, more natural manner on different types of terrain. The new framework incorporates computer vision into prosthetic leg control, and includes robust artificial intelligence (AI) algorithms that allow the software to better account for uncertainty. (2020-05-27)

Ocular scientists advise contact lens & spectacles wearers during COVID-19 pandemic
A new peer-reviewed paper from five prominent ocular scientists will help eye care practitioners instruct and reassure contact lens wearers during the global COVID-19 / coronavirus pandemic. Published in Contact Lens & Anterior Eye, 'The COVID-19 Pandemic: Important Considerations for Contact Lens Practitioners' delves into multiple aspects of eye health amidst the global health crisis, with a specific emphasis on the safe use of contact lenses. (2020-04-13)

Estimating adults at high risk for vision loss, evaluating care use
The estimated number of US adults at high risk for vision loss increased from 2002 to 2017 in this observational study based on national survey data. Adults at high risk for vision loss included those who were 65 or older, had a self-reported diagnosis of diabetes, or had eye or vision problems. (2020-03-12)

Many older people's glasses of wrong power
Overall, Swedish 70-year-olds' eyesight is good, but many could see even better. Six in ten can improve their vision by getting eyeglasses or changing the power of the glasses they already have, according to a new study from the University of Gothenburg. (2020-01-14)

Using computational chemistry to produce cheaper infrared plastic lenses
A University of Arizona team created the next generation of long-wave infrared plastic lenses. The plastic, a sulfur-based polymer forged from waste generated by refining fossil fuels, is incredibly useful for lenses, window and other devices requiring transmission of infrared light, or IR, which makes heat visible. The new lens material could make IR cameras and sensor devices more accessible to consumers. (2019-10-29)

Daily exposure to blue light may accelerate aging, even if it doesn't reach your eyes
Prolonged exposure to blue light, such as that which emanates from your phone, computer and household fixtures, could be affecting your longevity, even if it's not shining in your eyes. (2019-10-17)

New family of glass good for lenses
A new composition of germanosilicate glass created by adding zinc oxide has properties good for lens applications, according to Penn State researchers. This marks the discovery of a novel glass family. (2019-04-03)

Could an eye doctor diagnose Alzheimer's before you have symptoms?
A study of more than 200 people at the Duke Eye Center in the journal Ophthalmology Retina suggests the loss of blood vessels in the retina could signal Alzheimer's disease. (2019-03-11)

Antireflection coating makes plastic invisible
Antireflection (AR) coatings on plastics have a multitude of practical applications, including glare reduction on eyeglasses, computer monitors and the display on your smart-phone when outdoors. Now, researchers at Penn State have developed an AR coating that improves on existing coatings to the extent that it can make transparent plastics, such as Plexiglas, virtually invisible. (2019-01-29)

Revolutionary ultra-thin 'meta-lens' enables full-color imaging
Columbia Engineers have created the first flat lens capable of correctly focusing a large range of colors of any polarization to the same focal spot without the need for any additional elements. Only a micron thick, their revolutionary 'flat' lens is much thinner than a sheet of paper and offers performance comparable to top-of-the-line compound lens systems. UPenn nanophotonics expert Nader Engheta, who was not involved with this study, notes: '' an exciting development in the field of flat optics.'' (2018-10-03)

Focus on aging eyes: Poll finds primary care providers play key role in eye care after 50
A new poll suggests that primary care providers could play an important role in promoting vision care for adults age 50 and older, especially for those most in need of eye exams, and those most sensitive to the cost. (2018-09-05)

Study estimates eyeglass use by Medicare patients
Traditional Medicare doesn't cover eyeglasses except after cataract surgery and changing the policy has been discussed. Recent estimates of eyeglass use by Medicare beneficiaries could shed light on the implications of any policy change. A new study estimates 92 percent of Medicare beneficiaries 65 or older (an estimated 40.5 million people) reported using eyeglasses for distance or near vision correction in 2015, a frequency of eyeglass use that has remained stable. (2018-07-12)

Tax hurts investment in medical device research and development
New Iowa State University research shows companies cut funding for research and development in response to a tax imposed on medical devices as part of the Affordable Care Act. The study found the tax reduced R&D investment by $34 million and also negatively affected sales revenue, gross margins and earnings. (2018-06-05)

Firing up a new alloy
A centuries-old materials bonding process is being tested aboard the International Space Station in an experiment that could pave the way for more materials research of its kind aboard the orbiting laboratory. Sintering is the process of heating different materials to compress their particles together. (2018-05-31)

Free eyeglasses improve student math scores
Providing free eyeglasses through a hospital-based vision center to students in rural China with poor vision helped to improve student math scores. (2018-05-10)

Newly improved glass slide turns microscopes into thermometers
A study published today in Nature Communications describes how an updated version of the microscope slide can enable scientists to see tiny objects while also measuring their temperature. The advancement, made possible by a new transparent, has the potential to streamline and enhance scientific research worldwide, from clandestine government biology labs to high school chemistry classes. It may also have implications in computers, electronics and other industries. (2018-05-02)

Thin engineered material perfectly redirects and reflects sound
Metamaterials researchers from Duke University have created a thin plastic structure with geometric details allowing it to control the redirection and reflection of sound waves with almost perfect efficiency. (2018-04-10)

Inverse-design approach leads to metadevices
A Northwestern University research team used inverse design principles and a 3-D printer to create highly efficient broadband metadevices at millimeter-wave frequencies that could prove revolutionary for consumer products, defense, and telecommunications. (2018-01-22)

Wearables to boost security of voice-based log-in
A security-token necklace, ear buds or eyeglasses developed at the University of Michigan could eliminate vulnerabilities in voice authentication -- the practice of logging in to a device or service with your voice alone. (2017-10-17)

Google Glass app helps autistic children with social interactions
A new study demonstrates the potential of wearable technology as a social-skills aid for children with autism spectrum disorder. (2017-09-14)

'Own-point-of-view' video method leverages power of perception to improve emergency care
The 'own-point-of-view' perspective video technique, coupled with a subjective re situ interview, provides a better understanding of how physicians make clinical decisions in an authentic treatment setting, compared with the conventional external perspective. (2017-06-26)

UH Eye Expo connects visually impaired with resources to maintain independence
A vision expo Saturday, March 4 at the UH College of Optometry will offer exhibits, programming and workshops for Houston's visually impaired community on maintaining independence. The event is open to the public and will be 9 a.m. to 2 p.m. in the Health and Biomedical Sciences Building. This is the sixth year UH is hosting the Houston Area Insight Expo, which is sponsored by the Houston Area Visually Impaired Network. (2017-02-17)

A new approach to 3-D holographic displays greatly improves the image quality
A research team led by Professor YongKeun Park of the Physics Department at the Korea Advanced Institute of Science and Technology (KAIST) has come up with a solution and developed a 3-D holographic display that performs more than 2,600 times better than existing 3-D holographic displays. This study is expected to improve the limited size and viewing angle of 3-D images, which were a major problem of the current holographic displays. The study was published online in Nature Photonics on Jan. 23, 2017. (2017-01-27)

I can see clearly now
University of Utah engineers have created 'smart glasses' with liquid-based lenses that can automatically adjust the focus on what a person is seeing, whether it is far away or close up. (2017-01-24)

UCF research finds google glass technology may slow down response time
Heads-up display technology -- think Google Glass - - offers lots of information to users in seconds, literally in front of their eyes. Access to information is critical in today's fast-paced world, but new research at the University of Central Florida indicates that the multitasking needed to process that readily available information may slow down the brain's response time. (2016-11-22)

Witnesses confuse innocent and guilty suspects with 'unfair' lineups
Police lineups in which distinctive individual marks or features are not altered can impair witnesses' ability to distinguish between innocent and guilty suspects, according to new research in Psychological Science, a journal of the Association for Psychological Science. (2016-07-26)

High-power prismatic devices may further expand visual fields for patients with hemianopia
Researchers from the Schepens Eye Research Institute of Massachusetts Eye and Ear and Harvard Medical School have designed three new eyeglasses using high-power prisms to optimally expand the visual fields of patients with hemianopia, a condition in which the visual fields of both eyes are cut by half. The new designs, described in Optometry and Vision Science, address some limitations of existing prism correction available to this population. (2016-05-17)

Portable device worn on eyeglasses offers hope for people with low vision
A miniature camera using optical character-recognition technology, mounted onto the eyeglasses of people who are considered legally blind, dramatically improves their ability to read an email, newspaper article, menu or page in a book, a study by researchers with UC Davis Health System has found. (2016-05-05)

Researchers develop new lens for terahertz radiation
Brown University engineers have devised a way to focus terahertz radiation using an array of stacked metal plates, a technique which may prove useful for terahertz imaging or in next-generation data networks. (2016-03-14)

New lens ready for its close-up
Researchers have always thought that flat, ultrathin optical lenses for cameras or other devices were impossible because of the way all the colors of light must bend through them. But University of Utah electrical and computer engineering professor Rajesh Menon and his team have developed a new method of creating optics that are flat and thin yet can still perform the function of bending light to a single point, the basic step in producing an image. (2016-02-12)

Not like riding a bike: New motor memories need stabilizing
Well-practiced motor skills like riding a bike are extremely stable memories that can be effortlessly recalled after years or decades. In contrast, a new study publishing in PLOS Computational Biology shows that changes to motor skill memories occurring over the course of a single practice session are not immediately stable, according to researchers Andrew Brennan and Maurice Smith of Harvard University School of Engineering and Applied Science and Center for Brain Science. (2015-06-18)

How Rhode Island Hospital used Google Glass to diagnose skin conditions
Physicians at Rhode Island Hospital experimented with Google Glass to gauge the effectiveness, security and patient acceptance of a real-time, video dermatological consultation. (2015-04-13)

Eyeglasses that turn into sunglasses -- at your command
Imagine eyeglasses that can go quickly from clear to shaded and back again when you want them to, rather than passively in response to changes in light. Scientists report a major step toward that goal, which could benefit pilots, security guards and others who need such control, in the journal ACS Applied Materials & Interfaces. (2015-01-28)

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