Johns Hopkins researchers find vitamin A derivative shapes fetal vision
Scientists at Johns Hopkins University published findings in October 2026 showing a vitamin A derivative helps form the human foveola before birth.
Lab study reveals new eye development process
Researchers used miniature human retinas grown in the laboratory to observe this transformation. They found that specific cells initially detecting blue light change into cells sensitive to red and green light. This shift creates the specialized arrangement needed for clear central vision.
Thyroid hormones work with vitamin A derivative
The study indicates these two molecules function together to shape the foveola region of the retina. This discovery challenges a scientific explanation regarding eye formation that has stood for roughly 30 years.
Findings may aid future medical treatments
The results could reshape understanding of how human eyes develop during pregnancy. Researchers suggest this knowledge might help advance treatments for macular degeneration and glaucoma later.
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