News articles tagged with 'lens'
The world's most common operation
— 10 Nov 2009 15:20 | HealthAs many as 10 million people around the world suffer from cataracts. Thomas Kohnen of the Goethe University in Frankfurt and his coauthors discuss cataract surgery with the implantation... — full story
Researchers uncover genetic link to age-related cataracts
— 31 Jul 2009 07:55 | HealthBing-Cheng Wang, Ph.D., Case Western Reserve University School of Medicine professor of pharmacology and senior staff scientist at MetroHealth Medical Centre, and Sudha K. Iyengar,... — full story
New evidence that popular dietary supplement may help prevent, treat cataracts
— 16 Jul 2009 05:44 | HealthResearchers are reporting evidence from tissue culture experiments that the popular dietary supplement carnosine may help to prevent and treat cataracts, a clouding of the lens of the... — full story
Certain type of implanted lenses may be a treatment option for some patients with nearsightedness
— 14 Jul 2009 16:58 | HealthImplantable lenses made of a collagen-like substance appear to provide stable correction of moderate to high nearsightedness (myopia) over four years of follow-up, according to a report... — full story
Sight for sore eyes
— 11 Jun 2009 10:58 | HealthIn a world-first breakthrough, University of New South Wales (UNSW) medical researchers have used stem cells cultured on a simple contact lens to restore sight to sufferers of blinding... — full story
New technique that scrambles light may lead to sharper images, wider views
— 22 Apr 2009 12:09 | TechnologyWhen photographers zoom in on an object to see it better, they lose the wide-angle perspective - they are forced to trade off 'big picture' context for detail. But now an imaging method... — full story
Lifeless cells ensure sharp vision
— 25 Mar 2009 20:23 | BiologySeemingly dead cells perform a surprising task in the lens of a fish eye. Every morning and evening they change the lens's capacity to refract light in order to enhance colour perception... — full story
Flexible photodetectors could help sharpen photos
— 14 Jan 2009 09:30 | TechnologyDistorted cell-phone photos and big, clunky telephoto lenses could be things of the past. University of Wisconsin-Madison Electrical and Computer Engineering Associate Professor Zhenqiang... — full story
The genetic explanation for moles' poor eyesight
— 21 Oct 2008 10:28 | BiologyDue to their underground habitats, moles' eyes have been modified by natural selection in ways very different from those of surface-dwelling animals. New research, published in the... — full story
Cosmic lens reveals distant galactic violence
— 21 Oct 2008 10:28 | AstronomyBy cleverly unravelling the workings of a natural cosmic lens, astronomers have gained a rare glimpse of the violent assembly of a young galaxy in the early Universe. Their new picture... — full story