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Retina Articles by Dr. Brugger and Dr. Shane

The Pot of Gold at the End of the Rainbow

Have you ever been told that there’s a pot of gold at the end of a rainbow?  You may be skeptical, but it is absolutely true.  You see, rainbows don’t exist in the natural world.  Instead, they exist as an image created within our eyes, thanks to a wonderful and delicate structure called the retina.   It is responsible for all the colorful splendor of our visual world, a treasure indeed worth its weight in gold.  A closer look at the retina reveals one of the most remarkable structures in our body. Form Meets Function To understand how the retina creates the colors of the rainbow, we have to look at the intricacies of its design.  It is a thin structure that lines the inside surface of the eye, similar to the rubber lining on the inside of a basketball.  It has a surface area of a silver dollar, and packed within that space are 150 million cells called photoreceptors.  It is upon this sheet of photoreceptors that the light from our world is projected.  Together, these retina cells interpret light of different colors, shapes, and movement, converting them into nerve impulses.  These nerve impulses are then sent to the brain, [...]

By |January 31st, 2013|Categories: Uncategorized|Comments Off on The Pot of Gold at the End of the Rainbow

New Treatments for Diabetic Retinopathy

Research on Treatment for Vision Loss in Diabetes “You should have your eyes checked every year,” is a familiar refrain for the 26 million diabetics living in the United States.   The recommendation for annual dilated eye examinations is so well ingrained in the psyche of diabetic patients that it might as well be printed on the front of their glucose monitors.  What isn’t so well appreciated by diabetics, however, is that a revolution in the management of diabetic vision loss is quietly taking place, promising to disrupt a traditional model that has existed for decades.  Thanks to new diagnostic technology and therapeutics, this revolution has changed the conversation in diabetes from that of slowing vision loss to maximizing vision gain. Diabetic Retinopathy: The Most Common Cause of Vision Loss in Diabetes Although there are many reasons for vision loss in diabetes, by far the most common cause is diabetic retinopathy, characterized by progressive damage to the retina and its blood supply due to elevated blood glucose.  Almost all diabetics develop diabetic retinopathy, a fact which makes it the largest cause of blindness among working-age adults.  Although frequently symptomatic, patients with diabetic retinopathy may accumulate retinal damage for years without noticing [...]

By |January 31st, 2013|Categories: Uncategorized|Comments Off on New Treatments for Diabetic Retinopathy
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