Fibrin glue for corneal closure faster than sutures in OR, says physician
April 6th 2009San Francisco-Fibrin glue may be a better choice than sutures for patients who undergo primary pterygium surgery with conjunctival autografts, according to Luciano P. Bellini, MD, of the Department of Ophthalmology, Irmandade da Santa Casa de Misericórdia, Porto Alegre, Brazil.
University of Utah researchers highlight deficiencies of current methods of cortical cleanup
April 6th 2009San Francisco-Current methods used to evacuate the capsule of lens epithelial cells and other lens material are not sufficient to prevent late complications of Soemmerring's Ring formation, posterior capsule opacification (PCO), and unwanted fibrosis after pediatric cataract surgery, said Brian Zaugg, BS.
Microwave treatment may be in the future of corneal refractive surgery
April 6th 2009San Francisco-Treatment of the cornea using a novel microwave device is being investigated as a new approach for performing corneal refractive surgery without damaging the epithelium, removing tissue, or compromising structural integrity, said John Marshall, PhD.
Kelman Innovator's Lecture: 'Challenge, don't conform' is advice to young ophthalmologists
April 6th 2009San Francisco-Young ophthalmologists should not bow to society's pressure to conform, and they constantly should be challenging the status quo. That was the message from Robert H. Osher, MD, as he delivered the Charles D. Kelman Innovator's Lecture.
Large retrospective study explores best technique for wavefront-guided surface ablation
April 5th 2009San Francisco-When performing wavefront-guided surface ablation for the treatment of varying degrees of myopia, similarly good visual and refractive outcomes are achieved whether using alcohol or a microkeratome for epithelial delamination and whether the flap is removed or replaced, according to the results of a retrospective, single-center study reported by Sadhana Kulkarni, MD.
Novel pachymetric map analysis detects keratoconus
April 5th 2009San Francisco-Gaussian fitting on inverse normalized pachymetry maps enables quantification of the depth and width of focal thinning associated with keratoconus and is showing promise as a new method for diagnosing this corneal ectatic disease, said David Huang, MD, PhD, of the University of Southern California, Los Angeles.
Scheimpflug device, ultrasound pachymetry both repeatable for CCT measurements
April 5th 2009San Francisco-Both ultrasound pachymetry and a proprietary Scheimpflug imaging device (Galilei Dual Scheimpflug Analyzer, Ziemer Ophthalmic Systems) produced excellent repeatability of central corneal thickness (CCT) measurements, and the repeatability was strong for both "virgin" and post-refractive eyes, according to Mitchell P. Weikert, MD, MS, assistant professor of ophthalmology, Baylor College of Medicine, Houston.
Dynamic stimulation aberrometer objectively measures presbyopic accommodation during wavefront exam
April 5th 2009San Francisco-The dynamic stimulation aberrometer provides "objective and observer-independent measurements of accommodation and is a suitable instrument for the planning of treatment of presbyopia," said Matthias Elling, MD, Ruhr University Eye Hospital, Bochum, Germany.
Initial experience encouraging for simultaneous topo-guided PRK and corneal collagen crosslinking
April 5th 2009San Francisco-Simultaneous topography-guided PRK with riboflavin/ultraviolet A (UVA) corneal collagen crosslinking is showing promise as a safe and effective approach for treating eyes with progressive keratoconus, said Ronald R. Krueger, MD, medical director, Department of Refractive Surgery, Cole Eye Institute, Cleveland Clinic, Cleveland, OH.
Poor correlation found between intraoperative pachymetry, postoperative OCT
April 5th 2009San Francisco-Intraoperative subtraction pachymetry may be less accurate and more prone to measurement error than postoperative optical coherence tomography (OCT) measurements, according to Yohko Murakami, MA, Stanford University School of Medicine, Stanford, CA.
Air bubble injection may be a source of endothelial damage in DSAEK
April 5th 2009San Francisco-Results of a study using an ex vivo model suggest a possible role for air bubble-induced trauma in loss of endothelial cell density after Descemet's stripping automated endothelial keratoplasty (DSAEK), said Anna Hong, MD, a resident at the Duke University Eye Center, Durham, NC.
Two-year data: Canaloplasty combined with phaco dramatically reduces IOP, medications
April 5th 2009San Francisco-The combination of canaloplasty and phacoemulsification surgery in patients who have both cataracts and primary open-angle glaucoma (POAG) results in a dramatic decrease in both IOP and the number of anti-glaucoma medications patients must take. Bradford J. Shingleton, MD, a glaucoma and cataract specialist with Ophthalmic Consultants of Boston, presented 2-year results of an ongoing prospective, randomized international study of canaloplasty in patients with POAG who also presented with a visually significant cataract.
Surgical instrument continuing education programs launched
April 5th 2009San Francisco-Bausch & Lomb Storz Ophthalmic Instruments recently launched two new continuing education programs available at www.StorzOphthalmicCE.com. Participants will receive contact hours approved by the Certification Board for Sterile Processing and Distribution Inc., the International Association for Healthcare Central Service Material Management, and the Texas Nurses Association.
Next-generation laser system features shorter treatment times, expanded application spectrum
April 5th 2009San Francisco-Through an increase in the pulse repetition rate, a new femtosecond laser system (VisuMax, Carl Zeiss Meditec) enhances the precision of therapy, shortens treatment times, and further improves patient comfort, said the manufacturer in a prepared statement.
Presbyopic laser vision correction reduces spectacle dependence in pseudophakes
April 4th 2009San Francisco-Creation of a multifocal corneal is a safe and effective option for reducing spectacle dependence in eyes with pseudophakia implanted with a monofocal IOL, according to Gustavo Tamayo, MD, of Bogota Laser Refractive Institute, Bogota, Colombia.
Prospective evaluation reaffirms high satisfaction of LASIK patients
April 4th 2009San Francisco-Results of a prospective clinical evaluation undertaken at the Storm Eye Institute, Medical University of South Carolina, Charleston, are consistent with the world literature in showing a very high rate of patient satisfaction after LASIK. Importantly, the data also indicate that dissatisfaction may resolve if the underlying issues are identified and addressed, said Kerry D. Solomon, MD, professor of ophthalmology at the institute.
Study: Wavefront-optimized excimer laser ablation not culprit in night vision disturbances
April 4th 2009San Francisco-Wavefront-optimized excimer laser ablation does not appear to induce night vision disturbances-in fact, patients were more likely to report fewer night vision disturbances after the procedure than they did preoperatively, according to Olivia Lee, MD, Emory University, Atlanta.
Faster reading speed over time indicates brain adapts to multifocal IOLs
April 4th 2009San Francisco-When analyzing multifocal lens performance, it is important to follow patients over time and to remember that there is a brain behind the eyes, said Manfred R. Tetz, MD, of the University of Berlin, Germany.
Large preoperative pupil size does not predict visual symptoms postLASIK
April 4th 2009San Francisco-Large preoperative pupil size does not positively correlate with an increase in visual symptoms after wavefront-guided myopic LASIK, according to the results of a prospective study reported by researchers from Stanford University, Stanford, CA. The relationship between pupil size and quality of vision after LASIK is a source of controversy with various publications reporting different results, said Annie Chan, MD, who is in the residency program at the university's Department of Ophthalmology.
Non-penetrating canaloplasty may offer safe alternative to trabeculectomy in POAG
April 4th 2009San Francisco- Non-penetrating canaloplasty may provide an effective and safe alternative to standard trabeculectomy in patients with primary open-angle glaucoma (POAG), according to Diamond Y. Tam, MD, University of Toronto.
Survey results on IOL explantation show shifting trends
April 4th 2009San Francisco-Results of the most recent American Society of Cataract and Refractive Surgery (ASCRS)/European Society of Cataract and Refractive Surgeons (ESCRS) survey on foldable IOLs requiring explantation or secondary intervention indicate a shift in the leading causes for these procedures, said Nick Mamalis, MD, professor of ophthalmology and visual sciences, University of Utah School of Medicine, Salt Lake City.
Binkhorst Lecture: Three programs offer hope for addressing cataract globally
April 4th 2009San Francisco-Three programs in different geographic areas of the world serve as models of success in addressing cataract, the top cause of blindness globally, said David F. Chang, MD, who delivered the Binkhorst Lecture during the opening session.
ASCRS pledges to forge ahead despite difficult economic times
April 4th 2009San Francisco-At the opening general session, Bradford J. Shingleton, MD, summarized the activities and accomplishments of the American Society of Cataract and Refractive Surgery (ASCRS) during his 1-year tenure as president of the organization.
Training program helps surgeons boost premium IOL practice
April 4th 2009San Francisco-The first session of a unique training program, Premium Lens Boot Camp, to help refractive and cataract surgeons grow their accommodating/multifocal lens business will be held June 5 at the O'Hare Marriott, Chicago.
3D flat-panel displays available for operating and exam rooms, patient education
April 4th 2009San Francisco-New three-dimensional (3D) flat-panel displays (TrueVision Systems Inc.) will enable cataract and refractive surgeons to display live and recorded content of the surgical view from a microscope or slit lamp.
Ways to reduce the pressure (of the recession on your practice, that is)
April 3rd 2009San Francisco-If you had a very ill patient, you would examine his or her vital signs frequently. The same holds true when the "patient" is the U.S. economy, said John B. Pinto, of the ophthalmic practice management consulting firm J. Pinto & Associates.