Scientists grow human retinas and illuminate eye disease targets

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Retinal organoid at 291 days. Red and green cone cells are green in the photo, while blue cone cells are blue.

Scientists were able to grow human retinas from stem cells for 1 year, allowing them to mimic human fetal development of retinas and closely observe how color-detecting cells form.

Why it matters: The information they gathered could be used to prevent or treat eye diseases and disorders like glaucoma, macular degeneration, color blindness and eye problems from premature births, Johns Hopkins University scientists say in a new study published in Science Thursday.

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