EyeCells
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Lab-grown eyes explain how a baby's vision develops in the womb
Researchers at John Hopkins have grown artificial eye parts to better understand how we develop color vision. Though they don't look like eyeballs, the "organoid" retinas built from stem cells grow in much the same way as our own orbs. By using CRISPR to manipulate thyroid hormone levels, they shut off growth of green- and red-detecting cells. The results could provide new insight into how we develop color vision and help doctors treat blindness in the future.
