Electronic approaches to restoration of sight

GA Goetz, DV Palanker - Reports on Progress in Physics, 2016 - iopscience.iop.org
Retinal prostheses are a promising means for restoring sight to patients blinded by the
gradual atrophy of photoreceptors due to retinal degeneration. They are designed to …

Shape perception via a high-channel-count neuroprosthesis in monkey visual cortex

X Chen, F Wang, E Fernandez, PR Roelfsema - Science, 2020 - science.org
Blindness affects 40 million people across the world. A neuroprosthesis could one day
restore functional vision in the blind. We implanted a 1024-channel prosthesis in areas V1 …

An overview of assistive devices for blind and visually impaired people

M Hu, Y Chen, G Zhai, Z Gao, L Fan - International Journal of …, 2019 - actapress.com
International Journal of Robotics and Automation, Vol. 34, No. 5, 2019 AN OVERVIEW OF
ASSISTIVE DEVICES FOR BLIND AND VISUALLY IMPAIRED PEOPLE Menghan Hu,∗,∗∗ …

Design and validation of a foldable and photovoltaic wide-field epiretinal prosthesis

L Ferlauto, MJI Airaghi Leccardi, NAL Chenais… - Nature …, 2018 - nature.com
Retinal prostheses have been developed to fight blindness in people affected by outer
retinal layer dystrophies. To date, few hundred patients have received a retinal implant …

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 …

What do blind people “see” with retinal prostheses? Observations and qualitative reports of epiretinal implant users

C Erickson-Davis, H Korzybska - PloS one, 2021 - journals.plos.org
Introduction Retinal implants have now been approved and commercially available for
certain clinical populations for over 5 years, with hundreds of individuals implanted, scores …

Optimization of pillar electrodes in subretinal prosthesis for enhanced proximity to target neurons

T Flores, X Lei, T Huang, H Lorach… - Journal of neural …, 2018 - iopscience.iop.org
Objective. High-resolution prosthetic vision requires dense stimulating arrays with small
electrodes. However, such miniaturization reduces electrode capacitance and penetration of …

Regenerative medicine in the retina: from stem cells to cell replacement therapy

J Oswald, P Baranov - Therapeutic advances in …, 2018 - journals.sagepub.com
Following the fast pace of the growing field of stem cell research, retinal cell replacement is
finally emerging as a feasible mean to be explored for clinical application. Although …

Virtual reality simulation of epiretinal stimulation highlights the relevance of the visual angle in prosthetic vision

JT Thorn, E Migliorini, D Ghezzi - Journal of Neural Engineering, 2020 - iopscience.iop.org
Objective. Retinal prostheses hold the potential for artificial vision in blind patients suffering
from outer retinal dystrophies. The optimal number, density and coverage of the electrodes …

Improving the spatial resolution of artificial vision using midget retinal ganglion cell populations modeled at the human fovea

ML Italiano, T Guo, NH Lovell… - Journal of Neural …, 2022 - iopscience.iop.org
Objective. Retinal prostheses seek to create artificial vision by stimulating surviving retinal
neurons of patients with profound vision impairment. Notwithstanding tremendous research …