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The ability to give sight to a blind person via a bionic eye depends on the circumstances surrounding the loss of sight. For retinal prostheses, which are the most prevalent visual prosthetic under development (due to ease of access to the retina among other considerations), patients with vision loss due to degeneration of photoreceptors (retinitis pigmentosa, choroideremia, geographic atrophy ...
Argus retinal prosthesis, also known as a bionic eye, is an electronic retinal implant manufactured by the American company Second Sight Medical Products. It is used as a visual prosthesis to improve the vision of people with severe cases of retinitis pigmentosa .
An optometrist in British Columbia claims to have invented an easily implantable device that provides its wearer with vision "three times better than 20/20" for life. Dubbed the Ocumetics Bionic ...
After living in darkness for most of his life, a North Carolina man can now see thanks to a bionic eye. 66-year-old Larry Hester lost his vision in his thirties after being diagnosed with ...
"State-of-the-art" retinal implants incorporate 60-100 channels, sufficient for basic object discrimination and recognition tasks. However, simulations of the resultant pixelated images assume that all electrodes on the implant are in contact with the desired retinal cell; in reality the expected spatial resolution is lower, as a few of the ...
Not all patients experienced the same degree of improvement, however. The 12 Iranian patients wound up with an average visual acuity of 20/58 with glasses; functional vision is defined as 20/40 or ...
Humayun is one of two principal investigators working with USC Eye Institute researchers to study how to replace damaged retinal pigment epithelial (RPE) cells with stem cells to restore sight, [28] a potential cure for age-related macular degeneration, the leading cause of permanent impairment of reading and fine or close-up vision among ...
A mother in Colorado was recently given the gift of sight with the help of new technology that allowed her to see her son for the first time in years.