Neuroscience

Eyes have a natural version of night vision

To see under starlight and moonlight, the retina of the eye changes both the software and hardware of its light-sensing cells to create a kind of night vision. Retinal circuits that were thought to be unchanging and programmed ...

Parkinson's & Movement disorders

The eyes may have it, an early sign of Parkinson's disease

The eyes may be a window to the brain for people with early Parkinson's disease. People with the disease gradually lose brain cells that produce dopamine, a substance that helps control movement. Now a new study has found ...

Ophthalmology

Toward a computer model that predicts the outcome of eye diseases

The eye hosts a powerful biological computer, the retina. Understanding how the retina transforms images from the outside world into signals that the brain can interpret would not only result in insights into brain computations, ...

Medical research

Lab-on-a-chip device mimics eye damage due to intense light

Houston Methodist researchers developed a new lab-on-a-chip technology that could quickly screen possible drugs to repair damaged neuron and retinal connections, like what is seen in people with macular degeneration or who've ...

Ophthalmology

Organic printing inks may restore sight to blind people

A simple retinal prosthesis is under development by Tel Aviv University in Israel and Linköping University in Sweden. Fabricated using cheap and widely available organic pigments used in printing inks and cosmetics, it consists ...

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