Using a newly developed adaptive optics system called Cona, scientists peered through Earth's turbulent air to reveal the sun ...

Fake or polite smiles, on the other hand, usually involve only the mouth muscles. The eyes remain wide or indifferent, and ...

The investigators described the CASIA2 (Tomey Corporation) instrument, which is a new AS-OCT device with a swept-source laser ...

Cataracts cloud the lenses of the eye, leading to worsening vision loss. Surgery is the typical treatment. Learn how to ...

New treatment guidance has been developed to help doctors tackle uveitis—one of the leading causes of vision loss. The new ...

Almost three-quarters of the world's coral reefs are thought to be deteriorating as a consequence of environmental stress. Until now, it has been possible to evaluate reef health only by field ...