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 ...

The colored part of the eye surrounding the pupil is called the iris. It automatically regulates the amount of light entering the eyes by regulating the size of the pupil. Light is the primary ...

The retina is the layer of cells positioned at the back of your eyeball. This layer senses the light that comes into your eyeball and sends signals to your brain. The key retina parts include the rods ...

A new study provides the best evidence to date that the connection patterns between various parts of the human brain can tell ...

Scientists can’t yet rebuild someone with bionic body parts. They don’t have the technology. But a new artificial eye brings cyborgs one step closer to reality. “In the future, we can use this for ...

Salt Lake City, Utah—Scientists have revived light-sensing neuron cells in organ donor eyes and restored communication between them as part of a series of discoveries that stand to transform brain and ...

A team led by Mount Sinai researchers has identified stem cell populations and mechanisms underlying age-related degeneration ...