Dr. Rosen answers the question: 'How Does the Eye Function?' Aug. 24, 2009— -- Question: What are the key parts of the eye that help it function properly? Answer: The eye is like a camera : The ...

Jackson Ryan was CNET's science editor, and a multiple award-winning one at that. Earlier, he'd been a scientist, but he realized he wasn't very happy sitting at a lab bench all day. Science writing, ...

Mina Massaro-Giordano, MD, discussed the ways that dry eye can affect patients with the condition, as well as what symptoms can fly under the radar. So, dry eye disease is a very complex condition. It ...

Your cornea is your eye’s clear, protective outer layer, sitting at the front like a car windshield. It acts like a barrier against dirt and germs, and it helps filter out some of the sun's damaging ...

An eye freckle is a type of nevus or dark spot on the eye. There are many types of eye freckles. If you have one, consider seeing a doctor to be sure the spot is not a melanoma. You’re probably ...

Eye bleeding typically means bleeding or a broken blood vessel involving the tissue layers on the outer surface of the eye. This is a subconjunctival hemorrhage. But there is another, less common type ...