Understanding Early Social Development Eye contact is one of the earliest ways babies connect with their caregivers. From infancy, most babies naturally seek out faces, making ...

Once your baby is born, you'll likely be dangling colorful toys in front of that tiny face, showing your little one plenty of shapes and objects he'll be seeing for the first time ever, and enticing ...

Researchers found that vertebrate eyes - including humans’ - began as brain tissue from a single ancestral light-sensing organ.

Half a billion years ago, the first true eye emerged in Earth’s oceans. Fossils now reveal what that ancient crystal vision could actually see.

High-acuity vision or sharp vision is established during early fetal development through a precise chemical mechanism between thyroid hormones and retinoic acid (vitamin A derivative) within the ...