In a comparative analysis across vertebrates of the many cell types in the retina -- mice alone have 130 types -- researchers concluded that most cell types have an ancient evolutionary history. Their ...

Karthik Shekhar and his colleagues raised a few eyebrows as they collected cow and pig eyes from Boston butchers, but those eyes — eventually from 17 separate species, including humans — are providing ...

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

A research team has discovered that accumulated DNA damage in the retina is a key contributor to age-related macular degeneration and that targeting specific retinal cell types may lead to treatments ...

Zebrafish eyes are similar to ours. We share all the major structures, such as a single lens to focus light, a retina with photoreceptor cells to detect light, and a liquid-filled cavity between the ...

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