Nocturnal animals tend to have proportionally bigger eyes than humans do ... A slit pupil, with two sides that can close like a sliding door, is far better at this task, which is why so many ...

From eyes the size of a dinner plate to 360-degree vision, these animals boast extraordinarily efficient ways of seeing. Meet the creatures with the most crafty, strange and sophisticated eyes in the ...

Seeing through one eye or many, in technicolour or black and white, few animals experience the world as we do. By analysing the properties of animals' visual systems, we can model what the world would ...