Experimental eye drops help blind mice see again
Scientists have created light-activated drugs that helped blind mice perceive light again and restored visually guided behavior without gene therapy, implants, or specialized lighting. Even more intriguingly, two of the most promising compounds worked when administered as eye drops, pointing toward a potentially simple new approach to restoring vision.
Blind mice can regain sight using experimental eye drops developed by a research consortium led by the Institute for Bioengineering of Catalonia (IBEC). The compounds are designed to replace the function of lost photoreceptors in the retina, which are responsible for detecting light. The eye drops, called prosthe6, can be administered through injection or as eye drops, eliminating the need for genetic modification or implanted devices.
While they do not cure blindness, prosthe6 successfully restores visual functions in animal models of blindness. The treatment restores saccadic eye movements, innate light-avoidance behavior, and functional light perception in mice with age-related macular degeneration and retinitis pigmentosa. This simple and potentially patient-friendly approach offers a promising avenue for future therapies aimed at restoring vision.
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