The Argus® II retinal prosthesis system

YHL Luo, L Da Cruz - Progress in retinal and eye research, 2016 - Elsevier
Abstract The Argus® II Retinal Prosthesis System (Second Sight Medical Products) is the
first prosthetic vision device to obtain regulatory approval in both Europe and the USA. As …

Advances in retinal prosthesis systems

E Bloch, Y Luo, L da Cruz - Therapeutic advances in …, 2019 - journals.sagepub.com
Retinal prosthesis systems have undergone significant advances in the past quarter century,
resulting in the development of several different novel surgical and engineering approaches …

Subretinal electronic chips allow blind patients to read letters and combine them to words

E Zrenner, KU Bartz-Schmidt… - … of the Royal …, 2011 - royalsocietypublishing.org
A light-sensitive, externally powered microchip was surgically implanted subretinally near
the macular region of volunteers blind from hereditary retinal dystrophy. The implant …

[HTML][HTML] Photovoltaic retinal prosthesis restores high-resolution responses to single-pixel stimulation in blind retinas

NAL Chenais, MJI Airaghi Leccardi… - Communications …, 2021 - nature.com
Retinal prostheses hold the promise of restoring vision in totally blind people. However, a
decade of clinical trials highlighted quantitative limitations hampering the possibility of …

Bioengineering strategies for restoring vision

J Cehajic-Kapetanovic, MS Singh, E Zrenner… - Nature biomedical …, 2023 - nature.com
Late-stage retinal degenerative disease involving photoreceptor loss can be treated by
optogenetic therapy, cell transplantation and retinal prostheses. These approaches aim to …

[HTML][HTML] POLYRETINA restores light responses in vivo in blind Göttingen minipigs

P Vagni, MJI Airaghi Leccardi, CH Vila… - Nature …, 2022 - nature.com
Retinal prostheses hold the potential for artificial vision in blind people affected by incurable
diseases of the outer retinal layer. Available technologies provide only a small field of view …

[HTML][HTML] Advances in visual prostheses: engineering and biological challenges

E Borda, D Ghezzi - Progress in Biomedical Engineering, 2022 - iopscience.iop.org
Vision is an extraordinary sense through which we can appreciate the beauty of the world
we live in, gain invaluable knowledge and communicate with others using visual expression …

Chronic stability of a neuroprosthesis comprising multiple adjacent Utah arrays in monkeys

X Chen, F Wang, R Kooijmans, PC Klink… - Journal of neural …, 2023 - iopscience.iop.org
Objective. Electrical stimulation of visual cortex via a neuroprosthesis induces the perception
of dots of light ('phosphenes'), potentially allowing recognition of simple shapes even after …

Behavioural responses to a photovoltaic subretinal prosthesis implanted in non-human primates

PH Prévot, K Gehere, F Arcizet, H Akolkar… - Nature biomedical …, 2020 - nature.com
Retinal dystrophies and age-related macular degeneration related to photoreceptor
degeneration can cause blindness. In blind patients, although the electrical activation of the …

Electric crosstalk impairs spatial resolution of multi-electrode arrays in retinal implants

RGH Wilke, GK Moghadam, NH Lovell… - Journal of neural …, 2011 - iopscience.iop.org
Active multi-electrode arrays are used in vision prostheses, including optic nerve cuffs and
cortical and retinal implants for stimulation of neural tissue. For retinal implants, arrays with …