The intricacy and seeming perfection of the eye, both as an object of anatomical beauty and as a working machine, have worried and intrigued scientists, philosophers and zealots, especially during ...

The human eye is a simple, but extremely robust, optical instrument. Analysis by sophisticated wavefront-sensing technology and customized ray-tracing has now revealed that the eye is actually an ...

This clip is a look at the human eye and how it works. We illustrate the functions of the eye with models, film clips and magnified images. The eye is a ball with a hole at the front, the pupil ...

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 ...

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 ...

Human eyes can’t decipher individual pixels from far away—this video shows why. A version of this story appears in the October 2018 issue of National Geographic magazine. Short for “picture ...

Transplantation of preserved human amniotic membrane (AM ... Various disorders of the surface of the eye can lead to limbal stem cell deficiency as a result of destruction of limbal stem cells.

Its gaze followed her as she walked. She said it was the same crow, she was certain. Its eyes 'felt human,' according to her. Well, those stories came up every couple weeks like clockwork.