A humorous comparison of the number of eyes different animals have: humans, spiders, dragonflies, and moles!

But we can split animal eyes up into two big categories: eyepatches and image-forming eyes. Animals with eyepatches can have something as basic as a flat cluster of a few photoreceptors.

Animals with blue eyes are a rare occurrence in nature due to being linked to recessive genetics, mutations, and specific genes. Despite that, many species still have beautifully rich blue eyes ...

To Understand How Animals See in the Abyss, Scientists Peer Through the Eyes of an Alien Amphipod The team utilized computer models to understand how a four-eyed crustacean sees in the deep ocean ...