Bionic vision: system architectures–a review

T Guenther, NH Lovell, GJ Suaning - Expert review of medical …, 2012 - Taylor & Francis
The concept of an electronic visual prosthesis has been investigated since the early 20th
century. While the first generation of long-term implantable devices were defined by the turn …

Current and future prospects for optoelectronic retinal prostheses

J Dowling - Eye, 2009 - nature.com
There has been accelerating progress in the development of retinal prosthesis systems
designed to partially restore vision to people with retinitis pigmentosa or macular …

A neural stimulator frontend with high-voltage compliance and programmable pulse shape for epiretinal implants

E Noorsal, K Sooksood, H Xu, R Hornig… - IEEE Journal of Solid …, 2011 - ieeexplore.ieee.org
This paper presents an integrated neural stimulator with highly efficient and flexible frontend
which is intended for an epiretinal implant with 1024 electrodes. It features programmable …

Spatial resolution and perception of patterns mediated by a subretinal 16-electrode array in patients blinded by hereditary retinal dystrophies

R Wilke, VP Gabel, H Sachs… - … & visual science, 2011 - iovs.arvojournals.org
Purpose.: The perception of 11 persons blinded by hereditary retinal degeneration elicited
by a subretinally implanted 16-electrode array used for light-independent direct stimulation …

Development and implantation of a minimally invasive wireless subretinal neurostimulator

DB Shire, SK Kelly, J Chen, P Doyle… - IEEE Transactions …, 2009 - ieeexplore.ieee.org
A wirelessly operated, minimally invasive retinal prosthesis was developed for preclinical
chronic implantation studies in Yucatan minipig models. The implant conforms to the outer …

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 …

A hermetic wireless subretinal neurostimulator for vision prostheses

SK Kelly, DB Shire, J Chen, P Doyle… - IEEE transactions on …, 2011 - ieeexplore.ieee.org
A miniaturized, hermetically encased, wirelessly operated retinal prosthesis has been
developed for preclinical studies in the Yucatan minipig, and includes several design …

A complete 256-electrode retinal prosthesis chip

N Tran, S Bai, J Yang, H Chun… - IEEE Journal of Solid …, 2014 - ieeexplore.ieee.org
This paper presents a complete 256-electrode retinal prosthesis chip, which is small and
ready for packaging and implantation. It contains 256 separate programmable drivers …

Monopolar biphasic stimulator with discharge function and negative level shifter for neuromodulation SoC integration in low-voltage CMOS process

CC Hsieh, MD Ker - IEEE Transactions on Biomedical Circuits …, 2021 - ieeexplore.ieee.org
A 16-channel monopolar biphasic stimulator chip with discharge function for biomedical
applications is proposed and designed. To provide monopolar biphasic stimulus currents …

Current steering in retinal stimulation via a quasimonopolar stimulation paradigm

PB Matteucci, SC Chen, D Tsai… - … & visual science, 2013 - iovs.arvojournals.org
Purpose.: Research to restore some degree of vision to patients suffering from retinal
degeneration is becoming increasingly more promising. Several groups have chosen …