In this video, learn about different parts of the human eye and how our sight works. Follow me please class. We’re here at the optician’s to get a good look at a human eye and find out how it ...

When evolution skeptics want to attack Darwin's theory, they often point to the human eye. How could something so complex, they argue, have developed through random mutations and natural selection ...

“Brighter irises and larger pupils elicited greater donations,” noted experts from the Netherlands’ Leiden University in a ...

So, at the outset, nocturnal eyes gather more light than human eyes do ... (Both are named after their relative shapes.) Cones work in bright light and register detail, while rods work in low ...

Study shows pupil size and iris brightness affect how others perceive your attractiveness, friendliness, and generosity.

By analysing the properties of animals' visual systems, we can model what the world would look like through their eyes. The images below each show a scene as viewed by a human. Drag the slider to the ...

In this film, Dr Ben Price explains the intricate workings of human eyes. By comparing our eyes to those of dragonflies, he reveals humanity's unique way of seeing. 1. The image projected onto the ...