Temperature key to incidence of thermal burns during phaco
June 1st 2003The Legacy phacoemulsification system with AdvanTec (Alcon) runs cooler compared with the Sovereign phacoemulsification system with WhiteStar (Advanced Medical Optics) under all experimental conditions in air, according to Kevin M. Miller, MD.
Capsular tension rings address zonular abnormalities during cataract surgery
June 1st 2003Great Neck, NY-Capsular tension rings can be a valuable adjunct in patients with unstable or absent zonules who are undergoing cataract surgery, and they may have additional application for the management of late IOL decentration that is secondary to capsular phimosis, said Kenneth J. Rosenthal, MD, FACS.
New software reduces OCT measurement variability
June 1st 2003San Francisco-The newest version (A2) of the Carl Zeiss Meditec software algorithm for quantification of retinal nerve fiber layer (RNFL) thickness using the third-generation optical coherence tomography (OCT 3) showed no improvement in glaucoma discriminating power compared with its predecessor software (A1), but it did reduce the variability of RNFL thickness measurements, according to a Tufts University glaucoma specialist.
Correction of laser calibration errors key to visual outcomes
June 1st 2003Orlando-Adjustment for energy delivery calibration errors represents the single most important step excimer laser manufacturers can take toward achieving improved visual outcomes in eyes undergoing corneal ablative refractive surgery, said Jack T. Holladay, MD, MSEE, FACS, at the annual meeting of the American College of Surgeons.
Issue of malpractice jury awards best resolved state by state
June 1st 2003If ophthalmologists and other physicians are looking to the nation's capital for assistance in dealing with the jury awards that far exceed actual economic losses by plaintiffs, one doctor believes it is a colossal waste of time.
LASIK viable option for refractive correction in post-RK eyes
June 1st 2003San Francisco-LASIK is a safe, effective, and accurate treatment for correcting ametropia in post-radial keratotomy (RK) eyes, reported Stephen M. Weinstock, MD, at the annual meeting ofthe American Society of Cataract and Refractive Surgery here.
Surgical correction of presbyopia in its infancy
June 1st 2003San Francisco-With the presbyopic population reaching 51% (141 million) in the United States, the interest in surgical correction of presbyopia will likely take off as the baby boomers look for alternatives to glasses, according to Richard L. Lindstrom, MD, who delivered the Binkhorst Lecture during the opening session of the American Society of Cataract and Refractive Surgery annual meeting.
Better glaucoma detection, treatment needed for future
June 1st 2003San Francisco-Nearly 100,000 people in the United States are blind from glaucoma, and this number will rise enormously as the population ages over the next 20 years unless better detection and treatment methods are developed, said Nathan G. Congdon, MD, MPH.
HLA-B27-associated anterior uveitis a common presentation
June 1st 2003Editor's Note: Anterior uveitis is the most common type of intraocular inflammation. Among patients with inflammation localized primarily to the anterior chamber, 50% or more are HLA-B27 positive. Inaddition, a number of these patients with HLA-B27-associated anterior uveitis have, or will develop, an associated systemicdisorder such as ankylosing spondylitis,reactive arthritis (formerly known asReiter's syndrome), inflammatory bowel disease, or psoriatic arthritis.
Miniature glaucoma shunt under a scleral flap lowers IOP
June 1st 2003Johannesburg, South Africa-A miniature glau-coma implant (Ex-Press, Optonol Ltd., Neve Ilan, Israel; marketed by CIBA Vision, Atlanta) that is implanted under a scleral flap has been shown to be safe and effective in lowering IOP in a prospective pilot study.
Nutritional supplement stimulates aqueous tear production
May 15th 2003Woburn, MA-Advanced Vision Research has joined the growing number of physicians who have concluded that the anti-inflammatory properties of omega-3 fatty acids, such as those found in flaxseed oil, can relieve dry eye. The company recently added a dietary supplement containing these acids, TheraTears Nutrition, to its line of dry eye products.
Nutrients restore tear function in dry eye syndrome
May 15th 2003The paradigm of dry eye treatment is the use of solutions and lubricants applied to the eye. That is, dry eyes require topical medication in the form of artificial tears to restore tear production and comfort. Anything other than this is contrary to belief and intuition and a paradigm shift.
Majority find lacrimal plugs beneficial without complications
May 15th 2003Los Angeles-Insertion of the Herrick Lacrimal Plug (HLP, Lacrimedics, Eastsound, WA) appears to be trouble-free for the majority of patients, with significant complications wuch as pyogenic granuloma and probing occurring in less than 10% of cases, said John C. Affeldt, MD, MPH.
Decision pyramid helps clinician in diagnosis of dry eye
May 15th 2003Jacksonville, FL-In any disease, the differential diagnosis is paramount to ensure proper treatment. This is also true for patients who complain of dry eye before and after LASIK. Arun C. Gulani, MD, created a decision pyramid that allows him to get to the root of complaints of dry in his patients.
ICL effective treatment for moderate, high hyperopia
May 15th 2003San Francisco-At 1-year follow-up, the majority of patients who received the hyperopic Implantable Contact Lens (ICL, STAAR Surgical, Monrovia, CA) for correction of moderate to high hyperopia were satisfied with an uncorrected visual acuity (UCVA) of at least 20/40 or better, noted Paul J. Dougherty, MD, who spoke during the American Society of Cataract and Refractive Surgery Annual Meeting.