Scientists have identified never-before-seen cells in the human eye that could potentially help reverse vision loss caused by common diseases, such as macular degeneration. The researchers discovered ...

Humans develop sharp vision during early fetal development thanks to an interplay between a vitamin A derivative and thyroid ...

Researchers at Johns Hopkins University have discovered a new cellular mechanism behind how humans ...

Thyroid hormone and Vitamin A transform blue eye cells into red and green ones. This transition builds the eye’s center, ...

As a fetus develops, its body is bathed in amniotic fluid: a warm, salty soup of nutrients, hormones, and antibodies produced by its mother. And into that fluid, a fetus is constantly sloughing off or ...