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Scientists have discovered a previously unknown drainage pathway at the back of the eye that functions as a hidden cleanup system for fluid and waste, a finding demonstrated in mice that could revolutionize treatment approaches for eye diseases. The discovery reveals an anatomical feature that was entirely unknown to the scientific community, potentially explaining how the eye maintains health and preventing buildup of damaging substances. This breakthrough could lead to new therapeutic strategies for glaucoma, macular degeneration, and other causes of blindness by targeting the newly identified drainage system. Understanding this cleanup mechanism may enable doctors to restore or enhance drainage function in patients whose eyes fail to clear waste effectively.