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Elevation most effective measure for early detection of keratoconus

Index of high decentration and index of vertical asymmetry were most effective at detecting early stages of keratoconus, while D-index was better suited as the disease progressed, according to a study.The early stages of keratoconus may be asymptomatic and, therefore, difficult to diagnose. However, it is extremely important to detect corneas at risk of developing the disease when patients are considering refractive surgery, researchers said.A study carried out at the Goethe University in Frankf...


Purcell named next NECO president

The New England College of Optometry Board of Trustees announced the appointment of Howard Purcell, OD, FAAO, Dipl, as the college’s new president and CEO.Purcell will replace Clifford Scott, OD, MPH, and will begin his new role on July 2.The appointment comes after a competitive national search, according to a press release from the college.Purcell is a graduate of NECO’s 1984 class. He began his career in a private practice with his father. For the past 10 years, Purcell has served as senior v...


Eating dark chocolate may improve visual acuity, contrast sensitivity

Participants who ate a dark chocolate bar experienced improved contrast sensitivity and visual acuity 2 hours after eating the candy compared with participants who ate a milk chocolate bar, according to a study.The randomized, single-masked crossover clinical study included 30 participants randomly assigned to consume either a milk chocolate bar or a dark chocolate bar. The participants were evaluated within 2 hours after consumption, and the researchers measured visual acuity and large- and sma...


Better refractive results reported with femtosecond vs. manual cataract surgery

Elizabeth YeuWASHINGTON — Femtosecond laser-assisted cataract surgery provides more accurate refractive outcomes than manual surgery, according to a study presented at the American Society of Cataract and Refractive Surgery meeting here.A retrospective review of more than 2,000 charts compared the refractive outcomes of 225 eyes that underwent cataract surgery with the LenSx femtosecond laser system (Alcon) and 231 eyes that underwent manual cataract surgery.“The proportion of eyes within 0.5 D ...


VIDEO: Two iStents perform well as stand-alone procedure

WASHINGTON ? At the American Society of Cataract and Refractive Surgery meeting, Jason Bacharach, MD, discusses a study comparing the implantation of two iStent devices (Glaukos) as a stand-alone procedure for reducing IOP in newly diagnosed open-angle glaucoma patients.  ...


Stem cell-based retinal implant shows promising results for advanced dry AMD

A first-of-its-kind stem cell-based retinal implant for patients with advanced dry age-related macular degeneration was well-tolerated and showed promising early efficacy in a phase 1/2a study.Researchers evaluated the use of human embryonic stem cells implanted in patients with advanced dry AMD. The study evaluated the primary safety of the treatment and noted any restoration of vision or prevention of vision loss in a patient cohort, lead author Amir H. Kashani, MD, PhD, assistant professor of...