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Study: Blockage on Eye's Chemical Pathway Leads to Glaucoma

A new study using laboratory mice points to the mechanism behind a leading cause of blindness. The research also points to a possible treatment. The World Health Organization has listed glaucoma as the second leading cause of blindness, behind cataracts.  Drugs and surgery can sometimes help, but better treatments could make a difference.   In glaucoma, a build-up of pressure in the eye can lead to damage to the optic nerve and loss of sight. Susan E. Quaggin, MD, of...

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