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Laser Therapy & Nerve Regeneration
Prof. Harry Whelan Prof. Harry Whelan, a neurologist at the Medical College of Wisconsin in Milwaukee, and his colleagues have put the LEDs to the test on eye injuries. In a study that will appear in Proceedings of the National Academy of Sciences, Whelan blinded rats by giving them high doses of methanol, or wood alcohol….Within hours, the rats' energy-hungry retinal cells and optic nerves began to die, and the animals went completely blind within one to two days. But if the rats were treated with LED light with a wavelength of 670 nanometres for 105 seconds at 5, 25 and 50 hours after being dosed with methanol, they recovered 95 per cent of their sight. Remarkably, the retinas of these rats looked indistinguishable from those of normal rats. "There was some tissue regeneration, and neurons, axons and dendrites may also be reconnecting," says Whelan.
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