The retina is a thin layer of cells lining the back part of the inside of your eye. These cells receive light, organize the information, and send it to your brain. The brain translates these signals ...

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 ...

A rarer condition that causes eye twitching is known as blepharospasm and involves “forceful, involuntary closure of both eyes at the same time,” Moss says. She notes that blepharospasm can range from ...

It’s easy to take our vision for granted. We expect most people to be born with fully functional eyes and experience only mild vision loss throughout their lives. But when we experience vision loss, ...

Your tablet, smartphone, laptop, and flat screen TV all have one thing in common: They each give off blue light. You may know them by the acronym ROY G BIV. Together, they make the white light you see ...

Editor’s note: The views expressed in this commentary are solely those of the writer. CNN is showcasing the work of The Conversation, a collaboration between journalists and academics to provide news ...