Artificial retina could someday help restore vision

The loss of eyesight, often caused by retinal degeneration, is a life-altering health issue for many people, especially as they age. But a new development toward a prosthetic retina could help counter conditions that result ...

Nanotubes may restore sight to blind retinas

The aging process affects everything from cardiovascular function to memory to sexuality. Most worrisome for many, however, is the potential loss of eyesight due to retinal degeneration.

Melanopsin looks on the bright side of life

Better known as the light sensor that sets the body's biological clock, melanopsin also plays an important role in vision: Via its messengers-so-called melanopsin-expressing retinal ganglion cells, or mRGCs-it forwards information ...

Japan govt approves stem cell clinical trials

Japan's government on Friday gave its seal of approval to the world's first clinical trials using stem cells harvested from a patient's own body.

Scientists model human disease in stem cells

Many scientists use animals to model human diseases. Mice can be obese or display symptoms of Parkinson's disease. Rats get Alzheimer's and diabetes.

Nanoparticles help researchers deliver steroids to retina

Hitching a ride into the retina on nanoparticles called dendrimers offers a new way to treat age-related macular degeneration and retinitis pigmentosa. A collaborative research study among investigators at Wayne State University, ...

All eyes on retinal degeneration

Research by Johns Hopkins sensory biologists studying fruit flies, has revealed a critical step in fly vision. Humans with problems in this same step suffer retinal dystrophies, which manifest as visual defects ranging from ...

page 1 from 2