In the arid mountains of northern Oman, rocky caves hold pools of water.

Each eye has few cones, which register color ... Previously known only from fossils of primitive fishes, this joint allows the coelacanth to open its mouth especially wide in order to swallow ...

These essential fatty acids are crucial for eye health and, for most people, have a low risk of side effects. Clinical trials on fish oil for dry eyes have shown mixed results. While some studies ...