Bio-Retina to enter clinical trials in 2013
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A photograph of a corner of the Bio-Retina, clearly showing the photodetector grid
A photograph showing the lower side of the Bio-Retina, together with some of the grid of microelectrodes which direct electrical stimulus to the visual neurons
Images of a subject at resolutions ranging from 4 x 4 pixels to 72 x 72 pixels.
Drawing of a Bio-Retina being inserted into an eye and affixed to the AMD damaged retina by a nano-forceps
Drawing of the Bio-Retina implanted onto retinal tissue. The photodetectors are the small salmon rectangles on top, and the electrodes penetrate deep into the retina where they make contact with the visual neurons
A vertical cross-sectional view of a human eye, showing the retina on the inner surface of the eyeball leading to the optic nerve (Image: Shutterstock)
Cross-sectional diagram of the retinal tissue - light is incident on the top yellow surface - striped comb-like cells are the photoreceptor rods and cones - the green cells are bipolar cells which transfer signals from the rods and cones to the blue ganglionic cells, which then connect the signals to the optic nerve (Image: Shutterstock)
Article Summary
At least 25-30 million people worldwide have age-related macular degeneration (AMD), one of the leading causes of blindness in middle-aged and older adults. The Israeli start-up Nano Retina has announced their new Bio-Retina, a tiny array of photodetectors which can be implanted directly on the retinal surface. Ready to enter clinical trials in 2013, the Bio-Retina restores vision to AMD sufferers almost immediately following the simple implantation process.
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