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Tag Archives | Blindness

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Untreated Depression In Those With Diabetes Related To An Increased Risk For Serious Eye Disease

Patients with diabetes who also suffer from depression are more likely to develop a serious complication known as diabetic retinopathy, a disease that damages the eye’s retina, a five-year study finds. Diabetic retinopathy occurs when diabetes is not properly managed and is now the leading cause of blindness in patients between 25 and 74 years […]

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Contrast used in the illusion

2011 Best Illusion Of The Year Contender, ‘Grouping By Contrast Illusion,’ Demonstrates Importance Of Contrast In Visual Perception

Gestalt psychology contends that the human brain organizes what the eyes see based on traits such as similarity, common background, and proximity. But a new illusion that took second place in the 2011 Best Illusion of the Year Contest — a competition held annually by the Neural Correlate Society — illustrates that our brains can […]

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Patients With Glaucoma Report A Wide Range Of Emotional And Psychological Changes

Fear of the unknown is one of the greatest issues facing patients with glaucoma – the second leading cause of blindness worldwide after cataracts – according to research in the April issue of the Journal of Advanced Nursing. People also worry about how the eye disease, which can be hereditary, will affect other members of […]

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a human ear

Neuropsychologist Shows That Some Blind People “See” With Their Ears

Dr. Olivier Collignon of the University of Montreal’s Saint-Justine Hospital Research Centre compared the brain activity of people who can see and people who were born blind, and discovered that the part of the brain that normally works with our eyes to process vision and space perception can actually rewire itself to process sound information […]

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Front cover of Insight

How Depression And Burden Affect Caregivers Of Those With Impairment Or Declining Health

When a person experiences impairment or declining health, caregiving typically falls to a family member, most often a spouse. This increased burden can cause burnout, stress, and illness in the caregiver. The health care system focuses first on the patient and provides little support for the caregiver. Check the end of this report for a […]

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visual cortex in the human brain

Brain Regions Can Adapt And Switch Functions More Easily In The First Few Years Of Life

A new paper from MIT neuroscientists, in collaboration with Alvaro Pascual-Leone at Beth Israel Deaconess Medical Center, offers evidence that it is easier to rewire the brain early in life. The researchers found that a small part of the brain’s visual cortex that processes motion became reorganized only in the brains of subjects who had […]

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(click to enlarge) Canine retina two years post injection.  Retinal photograph taken more than two years after subretinal injection of AAV2-hRPE65v2 in the second eye of a dog model of Leber's congenital amaurosis due to RPE65 mutations. The AAV-exposed portion of the retina, with the overlying inner retinal blood vessels, appears yellow due to reflective changes in the underlying tapetum.

Second Dose Of Gene Therapy For Inherited Blindness Proves Safe In Animal Studies

Gene therapy for a severe inherited blindness, which produced dramatic improvements last year in 12 children and young adults who received the treatment in a clinical trial, has cleared another hurdle. The same research team that conducted the human trial now reports that a study in animals has shown that a second injection of genes […]

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