HOME >> MEDICINE >> NEWS
Wavefront-guided LASIK improves contrast sensitivity

SAN FRANCISCO Wavefront-guided LASIK corrects higher-order optical distortions and provides significantly improved contrast sensitivity compared with standard LASIK. This is the conclusion of a study appearing in the March 2004 issue of Ophthalmology, the clinical journal of the American Academy of Ophthalmology, the Eye M.D. Association. Contrast sensitivity is the visual system's ability to detect subtle shades of gray between an object and its background.

In this comparative study conducted in Israel, 24 eyes of 13 patients were treated with wavefront-guided LASIK and 22 eyes of 12 patients were treated with standard LASIK. At one month after surgery, it was found that 88 percent of the contrast sensitivity measurements improved in the wavefront group, whereas only 40 percent improved in the standard group. Also, uncorrected visual acuity of 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 Medical Center in Jerusalem and lead author of the study, explained, "LASIK has a high rate of improving uncorrected visual acuity, but it can degrade the quality of vision, resulting in reports of reduced night vision clarity, glare and halos. This is the result of reduced contrast sensitivity, which is greater among patients with high degrees of nearsightedness. One reason for reduced contrast sensitivity is the increased higher-order distortions caused by the LASIK procedure. Because wavefront measurement provides a more precise and detailed map of the visual system's distortions, wavefront-guided LASIK reduces these distortions, resulting in an improved quality of vision."

Academy spokesperson Scott MacRae, MD, professor of ophthalmology and visual science at the University of Rochester Medical Center, Rochester, New York, said, "I agree that customized wavefront treatments should be incorporated into refractive surgery practices because t
'"/>

Contact: Media Relations
media@aao.org
415-561-8534
American Academy of Ophthalmology
1-Mar-2004


Page: 1 2

Related medicine news :

1. Wavefront LASIK demonstrated superior to conventional LASIK
2. Temperature and humidity can affect LASIK surgery results
3. Wavefront LASIK advances refractive surgery
4. People with large pupils can now get LASIK and avoid night vision disturbances
5. Having dry eye before LASIK surgery is a risk factor for severe dry eye after surgery
6. Hormonal treatment improves survival in high-risk prostate cancer patients
7. Growth hormone treatment improves symptoms of metabolic disorder in postmenopausal women
8. New substance that improves the photodetection of bladder cancer gains market approval
9. Most advanced CT scanner improves imaging of heart, avoids need for surgical inspection
10. Columbia study finds hemophilia therapy dramatically improves outcomes for bleeding stroke
11. New test improves detection of bladder cancer

Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Wavefront guided LASIK improves contrast sensitivity

(Date:10/20/2014)... Principle Business Enterprises, a family owned ... top-of-the-line absorbent products. The company has recently made ... brand, Tranquility® Premium Protection absorbent products. The company ... its packaging a new look, and is currently working ... the public. , The new website, developed with Thread ...
(Date:10/20/2014)... Akron, OH (PRWEB) October 20, 2014 ... new Assisted Living Center on Oct. 14. The $11 ... amenities and services, and a cooked-to-order kitchen with full-service ... forward Akron’s premier choice for first class Assisted Living ... groundbreaking. “Our residents deserve the highest quality of care ...
(Date:10/20/2014)... National Teen Driver Safety Week is October ... of Pediatrics (Ohio AAP, http://www.ohioaap.org ) is joining the ... teen drivers to talk to their teens and always set ... crashes are the leading cause of death for U.S. teens. ... crashes, and 859 (42%) of those teen drivers were killed ...
(Date:10/20/2014)... It’s hard to imagine what it’s like to live ... the world, it’s a reality. And while new shoes are ... to walk barefoot on rocky terrain or sewage-lined streets just ... friends. , Buckner International's Shoes for Orphan Souls ... October to encourage support for Air1 and while also providing ...
(Date:10/20/2014)... October 20, 2014 Do you ever ... Here comes a wonderful app Metassessor for teachers, specialists ... company helped its client “Intervention Development LLC” to ... app is designed for iOS 4.3 or later and ... app is optimized for iPhone 5. It is now ...
Breaking Medicine News(10 mins):Health News:Tranquility® Premium Protection Incontinence Products Releases New Logo and Website 2Health News:Rockynol Retirement Community Expands Assisted Living Center 2Health News:Ohio AAP Promotes National Teen Driver Safety Week 2Health News:Buckner Shoes for Orphan Souls® Garners Support from Air1 Radio 2Health News:Buckner Shoes for Orphan Souls® Garners Support from Air1 Radio 3Health News:Metassessor App Launched: an RTI tool for Teachers & Parents 2Health News:Metassessor App Launched: an RTI tool for Teachers & Parents 3
(Date:10/20/2014)... , Oct. 20, 2014 Valeritas, Inc., ... designed for patients with Type 2 diabetes, announced today ... Chain Excellence Award. The award was presented October 16 ... Columbus, Ohio . ... judged across a variety of metrics specifically targeted at ...
(Date:10/20/2014)... 20, 2014   Taiho Oncology, Inc. , ... Japan ), announced that the U.S. ... designation for TAS-102 (nonproprietary names: trifluridine and tipiracil ... for the treatment of refractory metastatic colorectal cancer ... rolling NDA submission to the FDA. According to ...
(Date:10/20/2014)... 20, 2014   Mary,s Medicinals today announced ... a 4-Star Sponsor of Operation Grow4Vets , a ... products, programs and services to assist them in living ... Key Facts: , An ever-increasing number of ... and effective treatment for pain, Post-traumatic Stress Disorder (PTSD) ...
Breaking Medicine Technology:Valeritas Receives 2014 Cardinal Health Supply Chain Excellence Award 2Valeritas Receives 2014 Cardinal Health Supply Chain Excellence Award 3Taiho Oncology, Inc. Receives FDA Fast Track Designation for TAS-102 as a Potential Treatment for Refractory Metastatic Colorectal Cancer 2Taiho Oncology, Inc. Receives FDA Fast Track Designation for TAS-102 as a Potential Treatment for Refractory Metastatic Colorectal Cancer 3Taiho Oncology, Inc. Receives FDA Fast Track Designation for TAS-102 as a Potential Treatment for Refractory Metastatic Colorectal Cancer 4Mary's Medicinals Announces 4-Star Sponsorship of Operation Grow4Vets 2Mary's Medicinals Announces 4-Star Sponsorship of Operation Grow4Vets 3
Cached News: