Tag: "lenses" at medical news
UCI eye doctors invent laser-assisted cornea-transplant surgery
...od vision, and even then strong glasses or contact lenses
are needed. In addition, stitches usually need to stay in place for years, because the cornea is slow to heal and, as a result, the transplant remains a weak spot, vulnerable to injury for the rest of the patient's life. After the laser-based transpl...
Aging eye more susceptible to serious damage, scientists report
...n sports or work environments requiring protective lenses
should wear them." Stitzel and his colleagues have been working on the computer simulation model for several years and already have reported that the model tracks the actual results of a series of experiments in which foam particles, BBs and baseball...
Nanotechnology goes glam: Cosmetics advances, challenges discussed at ACS meeting
... NOTED OTHERWISE WASHINGTON From colored contact lenses
to moisturizers with Vitamin E, cosmetics are big business. Personal care represents one of the fastest growing markets in the chemical industry worldwide. But industry researchers are thinking small, as nanotechnology brings new products and techniq...
Ophthalmologist directs honor to Southwestern Medical Foundation
...search involves development of a new generation of lenses
that allow better oxygen flow to the eye, which reduces infections and blocks bacteria from entering the cornea while wearing lenses. Thirty five million people wear contacts in the United States, and 100 million wear them worldwide....
Journal of Rehabilitation Research & Development tipsheet
...eaders with macular loss prefer hybrid-diffractive lenses
for prescription, according to a new study. Volunteers were assigned to groups to compare spectacle magnifiers and assess reading acuity, speed, critical print size (print size large enough to provide best fluent reading), accuracy, and comprehension...
Antibacterial coatings cut infection rates
...medical devices is bacteria that settle on contact lenses
and cause inflammation and, more rarely, infections," Professor Griesser said. Researchers at The Wark TM are developing nanometre thin coatings for biomedical implants and biomedical devices that prevent bacterial colonisation of implants that res...
Hopkins study shows 30-day soft contact lenses pose very small risk of vision loss
...ated with the use of 30-day -extended-wear contact lenses
made from silicone hydrogel is comparable to that ...dy completed 12 months of lens wear and wore their lenses
for three or more weeks continuously. The overall annual rate of evident corneal infection was 18 p...
'Doctor Franklin's Medicine' explores founding father's vast medical legacy
...croscopic particles. Medical inventions: Bifocal lenses
and a "long arm" that extended the user's reach were among his many inventions aimed at making life easier for the aged and afflicted. He was also involved with designing and making what might have been the first flexible urinary catheter in the colo...
Virtual reality could help diagnose heart conditions
...The viewers wear a pair of glasses with polarising lenses
allowingthem to see the hologram with depth. Van den Bosch et al. asked ten heart specialists to analyse the holograms ofpatients with a heart defect that affects the shape of an inside part theheart, and of patients with a healthy heart. The doctors...
Look out! Eyeglass injuries may lead to hospital visit
...it can be quite costly to put special prescription lenses
into already expensive, yet safe, frames, working-age adults who work in hazardous areas may want to consider using protective safety goggles. "For children who wear glasses, it's important that parents know that prescription eyeglasses aren't able ...
Study finds most Americans have good vision, but 14 million are visually impaired
...s nearsightedness. They need eyeglasses or contact lenses
to improve their vision. Teenagers, people with di...ned as soon as possible. It may be that corrective lenses
will improve your vision. But, if you do have an eye disease, the sooner it is found, the more likel...
Impaired vision common in US
...f visual impairment." "The provision of corrective lenses
to those individuals in need will be an important public health endeavor with implications for safety and quality of life," the authors conclude....
Reports characterize fungal eye infections among soft contact lens wearers
... cases of fungal keratitis associated with contact lenses
were seen between 1969 and 1977, two between 1977 and 1982 and five between 1982 and 1992. Eduardo C. Alfonso, M.D., and colleagues at the University of Miami, Miller School of Medicine, report 34 cases of fungal keratitis among soft contact lens wea...
Study documents outbreak of fungal eye infections among contact lens wearers in Singapore
... Nearly all patients wore soft, disposable contact lenses
(98.5 percent) and a high proportion (93.9 percent... wearing daily contacts overnight, wearing expired lenses
and wearing contacts while swimming. The authors suggest that these habits, however, cannot fully ac...
Report issued on outbreak of serious eye infection linked with use of certain contact lens solution
...and drying hands prior to handling lenses, storing lenses
in new contact lens solution after each use, and carefully following directions for use of contact lens and contact lens solution products," the authors conclude. ...
Doctors cut repeat LASIK visits dramatically
...rade their quality of vision or to require contact lenses
or reading glasses, but enough to be a leading rea... flaws in the eye that reading glasses and contact lenses
have corrected for decades, but also approximately 60 additional imperfections that were never known...
T-ray breakthrough could make detecting disease far easier
... which is achieved using the conventional means of lenses
and mirrors to focus the radiation. This limits the spot size of focused T-rays to a substantial fraction of a millimetre and this has made studies of small objects such as biological cells with high resolution are virtually impossible. But in the...
Contact lenses a good choice for children 12 and younger
...Optometrists traditionally don't prescribe contact lenses
to children until they are at least 12 years old,"...ren or teens in the current study had worn contact lenses
prior to the study. The researchers gave each participant a three-month supply of disposable soft co...
Five new technologies that promise to transform medicine
... and breathing rates already exist and implantable lenses
are well-known. Other emerging technologies include wave technology to isolate cancer cells, fabrication technology to manufacture customised body parts, and the use of miniature robots to track and destroy infections before they cause disease. T...
Study suggests wearing no-line bifocals slows myopia progression in some children
...hildren who wear a special kind of no-line bifocal lenses
show signs of slower progression of myopia than those who wear more conventional lenses
according to a new study published in Investigative Ophthalmology & Visual Science (IOVS). The st...