Inside the human eye, the retina is made up of several types of cells, including the light-sensing photoreceptors that ...

Nearly 96% of all animals have some kind of eyes, and they’ve proven so evolutionary advantageous that they’ve evolved multiple times in multiple ways and in a surprisingly short amount of time!

Each arm has a tiny eye at the tip, meaning a five-armed starfish has five eyes, while some species with more arms have even more. These molluscs have up to 200 tiny, blue eyes lining the edges of ...

According to Austin Animal Center (AAC), the neonatal puppy was bitten by his own mother, leaving his eye severely damaged and "hanging out." Recognizing the urgency of the situation, AAC took Jiminy ...