# A surprising vitamin A discovery is changing what scientists know about vision

- Source: Latest Science News -- ScienceDaily
- Published: 2026-10-31T04:31:41+00:00
- Category: Science
- Original: https://www.sciencedaily.com/releases/2026/10/261028234813.htm
- Canonical: https://groundlevelnews.com/story/a-surprising-vitamin-a-discovery-is-changing-what-scientists-know-abou-c797c1/

Scientists at Johns Hopkins University have uncovered a surprising process that helps humans develop sharp vision before birth, challenging decades of assumptions about how the eye forms. Using miniature human retinas grown in the lab, researchers discovered that a vitamin A derivative and thyroid hormones work together to shape the foveola, the tiny region at the center of the retina responsible

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