Researchers say that they’ve come up with a more elegant solution to curing some forms of blindness. They swapped out dead photoreceptors in the eyes of blind mice — the rods and cones that produce electrical signals when hit by photons — with artificial versions made of gold and titanium oxide.

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Researchers say that they’ve come up with a more elegant solution to curing some forms of blindness. They swapped out dead photoreceptors in the eyes of blind mice — the rods and cones that produce electrical signals when hit by photons — with artificial versions made of gold and titanium oxide.