Cited by 355Neuroscience and Neural EngineeringRetinal Development and DisordersTactile and Sensory Interactions

The DOI matches its Crossref record; 182 of the 189 references it cites were found in a registry or an index.

The Argus® II Retinal Prosthesis System

Luo, Yvonne Hsu-Lin, da Cruz, Lyndon·2016·Progress in Retinal and Eye Research

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 such it has entered the commercial market as a treatment for patients with profound vision loss from end-stage outer retinal disease, predominantly retinitis pigmentosa. To date, over 100 devices have been implanted worldwide, representing the largest group of patients currently treated with visual prostheses. The system works by direct stimulation of the relatively preserved inner retina via epiretinal microelectrodes, thereby replacing the function of the degenerated photoreceptors. Visual information from a glasses-mounted video camera is converted to a pixelated image by an external processor, before being transmitted to the microelectrode array at the macula. Elicited retinal responses are then relayed via the normal optic nerve to the cortex for interpretation. We reviewed the animal and human studies that led to the development of the Argus(®) II device. A sufficiently robust safety profile was demonstrated in the phase I/II clinical trial of 30 patients. Improvement of function in terms of orientation and mobility, target localisation, shape and object recognition, and reading of letters and short unrehearsed words have also been shown. There remains a wide variability in the functional outcomes amongst the patients and the factors contributing to these performance differences are still unclear. Future developments in terms of both software and hardware aimed at improving visual function have been proposed. Further experience in clinical outcomes is being acquired due to increasing implantation.

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Crossref · 10.1016/j.preteyeres.2015.09.003

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Research works printed but not linked: 5

  1. Brindley, 1964, The number of information channels needed for efficient reading, J. Physiol., 44
  2. Dagnelie, 2014, (16:30) Electrically elicited ERGs and VEPs in Argus II recipients: a window into signal processing in the degenerated RP retina, Doc. Ophthalmol., 1, 34
  3. Foerster, 1929, Beiträge zur Pathophysiologie der Sehbahn und der Sehsphäre, J. Psychol. Neurol., 463
  4. Milam, 1998, Histopathology of the human retina in retinitis pigmentosa, Prog. Retin. Eye Res., 17, 175
  5. OECD, 2012. Magnetic resonance imaging (MRI) exams, total 2012/2. oecd-ilibrary.org. http://dx.doi.org/10.1787/mri-exam-total-table-2012-2-en. · DOI

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Metadata

Authors
Luo, Y. H.-L., & da Cruz, L.
Affiliations
Moorfields Eye Hospital NHS Foundation Trust (GB)
Venue
Progress in Retinal and Eye Research
Publisher
Elsevier BV
Published
2016-01
Volume
50
Pages
89-107
ISSN
1350-9462 (ISSN-L)
OpenAlex
W1778783464
Cited by
351
References
189
Citations by year
2026: 21 · 2025: 36 · 2024: 32 · 2023: 36 · 2022: 38 · 2021: 43 · 2020: 37 · 2019: 36 · 2018: 33 · 2017: 24 · 2016: 14
FWCI
2.82
Type
journal article
Language
en
Open access
closed
Locations
  • Progress in Retinal and Eye Research (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neural Engineering
  • Health Sciences › Medicine › Ophthalmology › Retinal Development and Disorders
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Tactile and Sensory Interactions
Keywords
Argus II, retinal prosthesis, retinitis pigmentosa, photoreceptor degeneration, vision loss, visual prosthesis, orientation and mobility, visual function outcomes, device safety, animal studies, clinical trials
MeSH terms
Animals, Blindness, Electrodes, Implanted, Electric Stimulation Therapy, Humans, Prosthesis Design, Retinal Diseases, Visual Acuity, Visual Perception, Visual Prosthesis, Implantable Neurostimulators

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