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Πηγή : medicalxpress.com

World's largest clinical specialty database yields critical insights

The American Academy of Ophthalmology today announced key milestones and clinical insights from studies powered by its clinical database. The IRIS Registry (Intelligent Research In Sight) has amassed more than 41.2 million unique patients in its database, representing 166.2 million patient visits, covering 11 percent of the U.S. population. It is the largest clinical specialty database in the world, allowing ophthalmologists to pioneer research based on real-world clinical practice.

Genetic treatment for blindness may soon be reality

Patients who had lost their sight to an inherited retinal disease could see well enough to navigate a maze after being treated with a new gene therapy, according to research presented today at AAO 2017, the 121st Annual Meeting of the American Academy of Ophthalmology.

Study finds donor corneas can be safely preserved for longer period

Results from a large, national clinical trial show that corneal donor tissue can be safely stored for 11 days without negatively impacting the success of transplantation surgery to restore vision in people with diseases of the cornea. The cornea is the eye's clear outer covering. Currently, donor corneas are generally not used for surgery in the United States if they have been preserved for longer than seven days. Two reports from the Cornea Preservation Time Study (CPTS), which was funded by the National Eye Institute, part of the National Institutes of Health, appear online Nov.

Exploring the genetics of glaucoma and retinal development

Guillermo Oliver, PhD, the Thomas D. Spies Professor of Lymphatic Metabolism, recently published two studies related to the eye, one on retinal formation and the other on the genetics behind glaucoma.

Scientists discover potential treatment to stop glaucoma in its tracks

Vision scientists at the University of California, Berkeley, and the University of Toronto have discovered that naturally occurring molecules known as lipid mediators have the potential to halt the progression of glaucoma, the world's second-leading cause of blindness.

18-item measure reliable for symptom burden in glaucoma

(HealthDay)—A shortened glaucoma symptom measure based on the Collaborative Initial Glaucoma Treatment Study (CIGTS) Symptom and Health Problem Checklist (SHPC) is reliable for evaluating glaucoma symptoms, according to a study published online Nov. 2 in JAMA Ophthalmology.

Cases of low vision, blindness estimated to double in 30 years

(HealthDay)—Prevalence and incidence rates of low vision and blindness demonstrate a growing need for low vision rehabilitation services in the United States, according to a study published online Nov. 2 in JAMA Ophthalmology.

Do vitamin supplements prevent macular degeneration?

Vitamin and mineral supplements won't prevent the development of age-related macular degeneration. But there is some evidence taking supplements containing vitamin C, vitamin E and zinc may slow the progression of age-related macular degeneration in those who already have it. This evidence comes from two major systematic reviews published this year, conducted by the Cochrane collaboration.

XEN-45 implant effective in uncontrolled uveitic glaucoma

(HealthDay)—For medically uncontrolled uveitic glaucoma, the XEN-45 implant is effective, reducing the need for further surgery, according to a study published online Oct. 20 in Clinical & Experimental Ophthalmology.

Cataract surgery in older women associated with decreased risk of death

In older women with cataracts in the Women's Health Initiative, cataract surgery was associated with a lower risk for overall and cause-specific death, although whether this association is explained by the intervention of cataract surgery is unclear, according to a study published by JAMA Ophthalmology.

New focus on correcting refractive vision

While doctors take delight in solving the common issue of refractive vision error by prescribing eye glasses, Flinders University researchers have found that many patients are upset with this solution and claim it affects their quality of life.

Researchers identify protein that plays key role in diabetic blindness

For millions of Americans, their world is dissolving into an unrecognizable blur. Diabetic retinopathy is an eye disease affecting one-third of the estimated 30 million Americans who struggle with diabetes. As the patients' vision slowly fades, it never recovers and few treatments are available.

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