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:


(Date:10/13/2017)... (PRWEB) , ... October 13, ... ... School of Pharmacy (SOP) alumni Hannah Randall, PharmD ‘17, and Jennifer Huggins, ... professionals on guideline updates for the primary prevention of cardiovascular diseases during ...
(Date:10/13/2017)... ... 2017 , ... The Visiting Nurse Association (VNA) of Somerset Hills is proud ... and unique items from across the nation, this holiday-themed event will raise funds and ... the VNA. The boutique will be open Saturday, November 4 (10:00 a.m. – ...
(Date:10/13/2017)... ... October 13, 2017 , ... Talented host, ... lowdown on sciatica in a new episode of "Success Files," which is an ... and innovation and investigates each subject in-depth with passion and integrity. , Sciatica ...
(Date:10/12/2017)... ... October 12, 2017 , ... First Healthcare Compliance (FHC), an ... showcase a range of technology and learning solutions at the 68th Annual American ... to be held October 14–18, 2017 at the Mandalay Bay Resort in Las ...
(Date:10/12/2017)... ... October 12, 2017 , ... IsoComforter, Inc. ( https://isocomforter.com ), ... of an innovative new design of the shoulder pad. The shoulder pad provides ... while controlling your pain while using cold therapy. By utilizing ice and water that ...
Breaking Medicine News(10 mins):
(Date:10/2/2017)... , Oct. 2, 2017  Eli Lilly and ... financial results for the third quarter of 2017 on ... conference call on that day with the investment community ... The conference call will begin at 9 ... can access a live webcast of the conference call ...
(Date:10/2/2017)... , Oct. 2, 2017 Halo Labs announces the European ... system called the HORIZON at MIBio 2017 in Cambridge, ... and visible particulate matter in biopharmaceutical samples with unprecedented speed and ... the novel technique Backgrounded Membrane Imaging. ... The HORIZON subvisible particle analysis system ...
(Date:9/28/2017)... CHICAGO , Sept. 28, 2017 Hill-Rom ... quarter 2017 earnings conference call and webcast on Friday, ... 8:00 a.m. (EDT) and ending at approximately 8:30 a.m. ... to discussing the company,s 2017 financial performance and guidance ... growth opportunities, initiatives to enhance operational performance, and long-range ...
Breaking Medicine Technology:
Cached News: