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Tue 09 Sep 2005LifelinesGLAUCOMA RISK: Spending hours staring at a computer screen may raise the risk of glaucoma, a progressive eye disease that can lead to blindness.A Japanese study has found a statistical link between heavy computer use and eye problems that presage glaucoma. The study of 10,000 workers with an average age of 43 found that eye problems were more common among staff with existing vision defects. The study was carried out by researchers at the Toho University School of Medicine in Tokyo.