Over time a lens formed at the front of the eye. It could have arisen as a double-layered transparent tissue containing increasing amounts of liquid that gave it the convex curvature of the human ...

Cameras and eyes both detect light. Both cameras and the human eye use lenses to focus light. Both cameras and the human eye contain material that is sensitive to light. Follow me please class.

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 ...