Carbon nanotube film restores light sensitivity to blind retinas

(Phys.org) —Light striking the retina in the back of the eye is the first major step in the vision process. But when the photoreceptors in the retina degenerate, as occurs in macular degeneration, the retina no longer responds to light, and the person loses some or all of their sight. However, if the retina can be made sensitive to light with the help of some type of optoelectronic implant, then vision may be restored.

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