In a remarkable bioengineering breakthrough, researchers have developed eye drops containing photosynthetic components extracted from spinach leaves. The experimental treatment enables mouse eyes to perform key light-driven reactions that produce antioxidant molecules, helping reduce inflammation associated with dry eye disease. In laboratory studies, mice treated with the drops showed improved tear production and less corneal damage, performing as well as existing dry eye medications after just five days. Despite using chlorophyll-rich structures from plants, the drops are transparent and do not turn eyes green. While human testing is still needed, the research opens the door to innovative light-powered therapies that work with the eye’s natural exposure to ambient light.
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