Tag: "wavefront" at medical news

Animal study shows link between nicotine and atrial flutter

...that encourages the maintenance of a single stable wavefront allowing the atrial flutter to be sustained unperturbed" added Karagueuzian. The scientists were able to replicate the findings in computer simulations. According to the American Heart Association, people who smoke a pack of cigarettes a day have mo...

Get ready for next generation surround sound

... surround sound lie the developing technologies of wavefront synthesis and ambisonics, for example, which are much more capable of conveying the direction and even the size of a sound source. Both rely on arrays of loudspeakers. Generally speaking, the more loudspeakers, the better the performance, but also t...

Wavefront LASIK demonstrated superior to conventional LASIK

...ile conventional LASIK is good, we're finding that wavefront guided LASIK yields sharper and higher quality vis...iving halo symptoms compared to no patients in the wavefront guided LASIK group. After three months the majority of night halo problems abated for the conventio...

Wavefront-guided LASIK improves contrast sensitivity

... contrast sensitivity measurements improved in the wavefront group, whereas only 40 percent improved in the sta... 20/20 or better was achieved by 72 percent of the wavefront group and by 70 percent of the standard group. Igor Kaiserman, MD, an ophthalmologist at Hadassah Me...

Wavefront LASIK advances refractive surgery

...matism. Now an enhanced version of LASIK, known as wavefront LASIK, is available. This improved system allows e...ing the cornea's imperfections or aberrations. The wavefront data is translated into a mathematical formula that the surgeon uses to program corrections into the...

People with large pupils can now get LASIK and avoid night vision disturbances

...ion outcomes and measuring these treated eyes with wavefront studies to determine the level of postoperative higher order aberrations would be a good follow-up to this study." Dr. Boxer Wachler estimates that 50 percent of patients who have the LASIK procedure done have large pupils and would benefit from larg...

FINAL ALERT: RPB Science Writers Seminar in Eye Research to be held in Washington, DC Sept. 22-25

... yields better than 20/20 vision. SVL makes use of wavefront analysis to detect slight deviations in the way the eyes focus light -- information that's then put to work guiding the laser's precise, point-by-point reshaping of the corneal surface. Then there's conductive keratoplasty (CK), the application of s...

Adaptive optics technology provides powerful tools for eye doctors

...ts for measuring optical aberrations of the eye. A wavefront sensor is an essential component of any AO system,...f the system. Stand-alone devices that incorporate wavefront sensors can provide the most precise measurements available of the optical aberrations of the eye. ...

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(Date:4/17/2014)... April 17, 2014 By discovering a new mechanism ... a stroke, researchers at UC Irvine and the Salk ... may limit or prevent stroke-induced brain damage. , A ... cause of death and primary reason for disability in ... a stroke and lets blood-borne material into the brain, ...
(Date:4/17/2014)... EcoHealth Alliance, a nonprofit organization that focuses on conservation ... today examining the current state of knowledge of the ... improved global surveillance strategies to combat the emergence of ... in West Africa that has claimed the lives of ... According to the World Health Organization (WHO), the ...
(Date:4/17/2014)... has the potential to ward off depression among retirees, ... published online in The Journals of Gerontology, ... In the article " Internet Use and Depression Among ... Analysis ," the authors report that Internet use reduced ... among their study sample. , Late-life depression affects ...
(Date:4/17/2014)... and their partners have found that their proprietary microbicide ... of multiple sexually transmitted infections (STIs) in both the ... 2 (HSV-2), and human papillomavirus (HPV). The USAID-funded study ... effective against multiple strains of HIV, and has a ... viruses of at least eight hours prior to exposure. ...
(Date:4/17/2014)... N.C. April 17, 2014 Meaningful long-term ... advanced cancer of the abdomen when treated with ... according to a first-of-its-size analysis by physicians at ... Baptist has the largest reported, single-center experience with ... A. Levine, M.D., and analysis of 20 years, ...
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