Key points from article :
The nanowires provide higher resolution than anything achieved by other devices.
Closer to the dense spacing of photoreceptors in the human retina.
Arrays of nanowires simultaneously sense light and electrically stimulate the retina.
Could help people with neurodegenerative diseases including macular degeneration, retinitis pigmentosa, and loss of vision due to diabetes.
The study was published in the Journal of Neural Engineering.