The human eye is a wondrous thing. It is considered the body’s most complex organ after the brain and contains over 2 million ...

The human eye’s estimated resolution is superior to even the most advanced cameras. But is it really that simple?

Vision changes are an inevitable part of aging, but why are some more susceptible to age-related eye diseases and why do some ...

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 ...

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 ...

The human eye can detect over 10 million different colours and is incredibly sensitive to light, adjusting instantly to different conditions. Every eye has a blind spot where the optic nerve ...

View Full Profile. Learn about our Editorial Policies. As has been found in some bird and primate species, human eye and visual system sizes vary with the levels of ambient light in a given ...

Psychologist Paul Ekman has distinguished between smiles that represent genuine happiness (“Duchenne” smiles), and fake smiles that might be used to feign happiness, or cover some other emotion.

They are far more sensitive to light than cone cells, which is why you can sometimes see stars out of the corner of your eye at night, but when you look straight at them they seem to disappear. 5.

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.