Increase in ocular melanoma rates to use of tanning booths.

NBC Nightly News reported about the tanning bed industry. "While the risk of skin cancer is well known, [a] dire warning...compared the effects to cigarette smoking and arsenic. Chief medical editor Nancy Snyderman, MD, explained that according to the World Health Organization, an exponential increase in skin cancer can be linked to the use of indoor sun and tanning booths. For people who start using the booths before the age of 30, their risk goes up 75 percent."        The Tampa Tribune reports that the declaration by the WHO's International Agency for Research on Cancer (IARC) that tanning booths emitting ultraviolet radiation are carcinogenic simply echoes what dermatologists say they've suspected...

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River blindness can be stopped by drugs: WHO

River blindness may be eradicated through long-term ivermectin use.New studies, published Tuesday in the journal PLoS Neglected Tropical Diseases, suggest river blindness can be wiped out with a long enough course of ivermectin. The World Health Organization (WHO) said the studies demonstrated that treatment with the drug ivermectin stopped further infections and transmission of the disease in three areas of Africa in Mali and Senegal. The drug ivermectin, developed in 1987 by Merck, kills the larvae of the parasite that causes the disease, but not the adult worms, so scientists thought treatments were needed every six months or year to keep it under control. Researchers found, however, that after 15 to 17 years of regular treatment,...

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Half a brain girl recovers vision

According to research published in the Proceedings of the National Academy of Sciences, researchers from the UK's University of Glasgow say they have solved the mystery of how a girl with half a brain has near perfect vision in one eye. The 10-year-old girl was born missing the right side of her brain, whose job it is to map the left field of vision. Magnetic resonance imaging scans showed that the girl's brain rewired itself during development when she was still  in utero. In spite of having some seizures as a toddler, which were successfully treated, and slight weakness on her left side, the girl has had a normal medical history, attending school and taking part in regular activities. Amazingly, her left and right field vision...

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Intra-oral device helps blinded Marine to discern shapes.

Washington Post reports that a special 'lollipop,' a device that uses the tongue to stimulate the visual cortex and send sensory information to the brain, is helping Marine Cpl. Mike Jernigan, who lost both of his eyes in a roadside bomb attack in Iraq, to discern shapes. The intra-oral device, or IOD...is an inch-square grid with 625 small round metal pieces that is connected by a wire to a small camera mounted on a pair of sunglasses and to a hand-held controller about the size of a BlackBerry. Images are sent by the camera to the IOD, which transmits a low-voltage pulse to Jernigan's tongue. With training, Jernigan has learned to translate that pulse into pictures. Optometrist Amy Nau, OD, who is researching the effectiveness...

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Glaucoma biggest cause of blindness in New Zealand

Glaucoma NZ chairwoman Helen Danesh-Meyer has highlighted the biggest cause of blindness in New Zealand. It is estimated that 68,000 people have glaucoma in New Zealand. The Dominion Post has an excellent article highlighting this iss...

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Glaucoma surgeries up while Medicare reimbursement down

According to a study published in the July issue of the Archives of Ophthalmology, the number of glaucoma surgeries is on the rise, but Medicare reimbursement for the procedures has been decreasing. For the study, researchers from Exponent, Alcon Research, and the Bloomberg School of Public Health analyzed Part B Medicare data for 100,000 beneficiaries from 1997 to 2006. The team found that from 1997 to 2001, there was an overall decrease in both the number of procedures and the amount of annual payments, but there was an increase in the number of procedures in the following years, reaching a total of 414,980 in 2006. The investigators attributed the increase to advancements in technology and a change in calculating the global...

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A new paradigm for understanding glaucoma has emerged

Glaucoma isn't simply an eye disease, experts now say, but rather a degenerative nerve disorder, not unlike Alzheimer's or Parkinson's disease. While researchers still recognize high pressure within the eye as a leading risk factor for glaucoma, it is becoming clear that the condition begins with injury to the optic nerve as it exits the back of the eye. The damage then spreads, moving from one nerve cell to adjoining nerve cells. Neeru Gupta, MD, PhD, of the University of Toronto, explained, In glaucoma, we've shown that when your retinal ganglion cells are sick, the long axons that project from the eye into the brain are also affected, resulting in changes that we can detect in the vision center of the brain. This phenomenon, called...

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About 200,000 new cases of advanced, age-related macular degeneration (AMD) are identified each year in the United States, many older Americans with more severe or "wet" forms of AMD endured inevitable, gradual loss of central vision.Lucentis in clinical trials has been shown to stop and, in many cases, reverse at least some vision loss in most people with advanced AMD. Another drug closely related to Lucentis, known as Avastin (bevacizumab), also has been shown to be a highly effective and far cheaper alternative for lower-income individuals with advanced AMD.The problem is that Avastin is FDA-approved only for treatment of colon and other cancers, but not for macular degeneration. As an alternative, many eye doctors have been using Avastin...

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Does your employer care about your vision

Charlotte, NC has seen many things change over the course of the last years financial crisis. Both financial institutions Bank of America and Wachovia (now, Wells Fargo) have seen major shifts in how they do business.From my perspective as an optometrist, the most notable has been the change in vision insurance plans especially for BofA. They moved from VSP considered a better partner to private practice optometrist to Eyemed (who also run the chain Lenscrafters). The question that's raised is: how much shall companies bear for the employees eye care?. It surely is no secret that if your vision is impaired, it affects practically every sphere of your life. Yet, we find that one place most organizations cut back is in vision and related service....

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Laser treatment may help reverse effects of dry AMD

A ground-breaking laser treatment may help reverse the effects of age-related macular degeneration (AMD). In early proof-of-concept trials involving about 50 people, the laser technique, which was developed by pioneering eye expert Professor John Marshall of King's College London, appeared to return the back of the eye to its youthful state. In the technique, a painless 'short pulse' laser boosts the release of the enzymes to clean away natural waste materials, but without damaging the cells that enable vision. The researchers now plan further studies in patients already suffering from AMD in one eye with the aim of saving the sight in their better eye for as long as possible. Professor Marshall said that he hoped...

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Recent estimates by the World Health Organization (WHO) calculate at least 171 million people worldwide suffer from diabetes and expect this figure to more than double, to reach 366 million, by 2030According to Sanofi-Aventis SA, its long-acting Lantus [insulin glargine] drug didn't increase the risk of blindness for diabetics compared to an older type of insulin in a five-year study of more than 1,000 patients. In addition, there was...no 'observable trend' showing a difference in the risk of serious side effects including cancer, the drugmaker said in a statement. "This 5-year study is the longest randomized controlled study with insulin glargine versus NPH human insulin," said lead investigator Julio Rosenstock, MD, Director of the Dallas...

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Lucentis met late-stage trial goal in patients with macular edema due to BRVO

Image via WikipediaGenentech, Inc. announced that its macular degeneration drug Lucentis [ranibizumab] met its goal in a late stage trial, improving the vision of patients with macular edema due to branch retinal vein occlusion. Currently, Lucentis is approved to treat neurovascular, or 'wet,' age-related macular degeneration. Genentech is now trying to get the drug approved for macular edema due to branch retinal vein occlusion, a condition in which the macula, or central part of the retina, swells because fluid leaks or builds up....

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