Scientists grow a complete eye

Scientists at the Institute of Advanced Studies in Education in Rajasthan, India have grown a complete eye with an intact lens and retina together with other vital components.

The researchers took the lens of a donor tadpole and implanted it into the tail of a recipient tadpole. Within days, the cells, in the presence of a Vitamin A-containing substrate, had evolved into a complete eye.
 
This breakthrough is at an early stage and much more work will need to be done on higher animals before we can hope for the holy grail of growing a human eye. However, the potential for re-differentiation of transplanted ocular cells into a complete eye may offer some renewed hope for the future.
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