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Johns Hopkins researchers find vitamin A and thyroid hormones shape sharp vision before birth

Scientists at Johns Hopkins University found that a vitamin A derivative and thyroid hormones work together to form the foveola, the center of the retina responsible for sharp vision, challenging long-held assumptions about how the eye develops.

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Scientists at Johns Hopkins University found that a vitamin A derivative and thyroid hormones work together to form the foveola, the center of the retina responsible for sharp vision, challenging long-held assumptions about how the eye develops.