Butterfly and eye implant

30 Animals That Made Us Smarter

By BBC World Service

Butterfly and eye implant

Monday, 10 January

S2 Ep 29. Not all butterflies are colourful. The transparent wings of the longtail glasswing butterfly may hold the key to more effective eye implants. This could be of huge benefit to people with glaucoma - the second leading cause of blindness in the world. Get in touch: www.bbcworldservice.com/30animals #30Animals
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