
A phosphene is the phenomenon of seeing light without light entering the eye. The word phosphene comes from the Greek words phos (light) and phainein (to show). Phosphenes that are induced by movement or sound may be associated with optic neuritis. Phosphenes can be induced by mechanical, electrical means.
A new paper in Cell describes a radical treatment that may give the visually impaired the ability to see again. Using a visual cortical prosthesis (VCP) implanted on the brain, researchers...
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