1. Shining Light on Diabetes-Related Blindness

    A group of scientists in California is trying to develop a cheaper, less invasive way to spot the early stages of retinal damage from diabetic retinopathy, the leading cause of blindness in American adults, before it leads to blindness. As described in the special Interactive Science Publishing (ISP) issue of Optics Express, the Optical Society's (OSA) open-access journal, the scientists are using beams of light to measure blood flow in the back of the eye.
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    1. It just requires special scanning software that could easily be put on the OCT machines that most retinal specialists have.
    2. People with poor blood flow don't respond well to some of the laser treatments used for retinopathy, and they are at a higher risk for proliferative retinopathy.
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