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Retina March 2023

Estimating Phosphene Locations Using Eye Movements of Suprachoroidal Retinal Prosthesis Users

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Samuel A. Titchener; Jeroen Goossens; Jessica Kvansakul; David A. X. Nayagam; Maria Kolic; Elizabeth K. Baglin; Lauren N. Ayton; Carla J. Abbott; Chi D. Luu; Nick Barnes; William G. Kentler; Mohit N. Shivdasani; Penelope J. Allen; Matthew A. Petoe
TAGS: accommodation phosphene, gaze, implants, eye movement, fingers, visual prosthesis, eye
Trans. Vis. Sci. Tech.. 2023; 12(3):20. doi: https://doi.org/10.1167/tvst.12.3.20

Includes: Supplemental Content

Articles June 2022

A Second-Generation (44-Channel) Suprachoroidal Retinal Prosthesis: Long-Term Observation of the Electrode–Tissue Interface

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Samuel A. Titchener; David A. X. Nayagam; Jessica Kvansakul; Maria Kolic; Elizabeth K. Baglin; Carla J. Abbott; Myra B. McGuinness; Lauren N. Ayton; Chi D. Luu; Steven Greenstein; William G. Kentler; Mohit N. Shivdasani; Penelope J. Allen; Matthew A. Petoe
TAGS: body tissue, electric impedance, implants, retina, visual prosthesis
Trans. Vis. Sci. Tech.. 2022; 11(6):12. doi: https://doi.org/10.1167/tvst.11.6.12

Includes: Supplemental Content

Articles June 2021

Classifying Retinal Degeneration in Histological Sections Using Deep Learning

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Daniel Al Mouiee; Erik Meijering; Michael Kalloniatis; Lisa Nivison-Smith; Richard A. Williams; David A. X. Nayagam; Thomas C. Spencer; Chi D. Luu; Ceara McGowan; Stephanie B. Epp; Mohit N. Shivdasani
TAGS: deep learning, dystonia 12, histology, retinal degeneration, tissue degeneration, training
Trans. Vis. Sci. Tech.. 2021; 10(7):9. doi: https://doi.org/10.1167/tvst.10.7.9

Includes: Supplemental Content

Articles December 2020

Oculomotor Responses to Dynamic Stimuli in a 44-Channel Suprachoroidal Retinal Prosthesis

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Samuel A. Titchener; Jessica Kvansakul; Mohit N. Shivdasani; James B. Fallon; D. A. X. Nayagam; Stephanie B. Epp; Chris E. Williams; Nick Barnes; William G. Kentler; Maria Kolic; Elizabeth K. Baglin; Lauren N. Ayton; Carla J. Abbott; Chi D. Luu; Penelope J. Allen; Matthew A. Petoe

Trans. Vis. Sci. Tech.. 2020; 9(13):31. doi: https://doi.org/10.1167/tvst.9.13.31

Includes: Supplemental Content

ARVO Annual Meeting Abstract July 2019

A 44 channel suprachoroidal retinal prosthesis: initial psychophysical results

Matthew A Petoe; Samuel A Titchener; Mohit N Shivdasani; David AX Nayagam; Stephanie B Epp; Joel Villalobos; Nicholas N Sinclair; Chris E Williams; Nick Barnes; William G Kentler; Maria Kolic; Elizabeth Kate Baglin; Carla J Abbott; Lauren N Ayton; Chi D Luu; Penelope J Allen

Invest. Ophthalmol. Vis. Sci.. 2019; 60(9):4993. doi:

Eye Movements, Strabismus, Amblyopia and Neuro-ophthalmology May 2019

Head and Gaze Behavior in Retinitis Pigmentosa

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Samuel A. Titchener; Lauren N. Ayton; Carla J. Abbott; James B. Fallon; Mohit N. Shivdasani; Emily Caruso; Pyrawy Sivarajah; Matthew A. Petoe
TAGS: eye, gaze, head movements, retinitis pigmentosa, saccades, pursuit, smooth
Invest. Ophthalmol. Vis. Sci.. 2019; 60(6):2263-2273. doi: https://doi.org/10.1167/iovs.18-26121

ARVO Annual Meeting Abstract July 2018

Histopathological Criteria for Evaluation of Chronically Stimulated Retina

David AX Nayagam; Richard A Williams; Cesar Salinas La-Rosa; Ceara McGowan; Carla J Abbott; Stephanie Epp; Mohit Naresh Shivdasani; Chi D Luu; Joel Villalobos; Patrick Thien; Owen Burns; Alice Brandli; Chris Williams; Penelope J Allen; Robert Shepherd

Invest. Ophthalmol. Vis. Sci.. 2018; 59(9):4562. doi:

ARVO Annual Meeting Abstract July 2018

Visual Scanning in Retinitis Pigmentosa

Matthew A Petoe; Samuel A Titchener; Mohit Naresh Shivdasani; James B Fallon; Carla J Abbott; Lauren N Ayton

Invest. Ophthalmol. Vis. Sci.. 2018; 59(9):1946. doi:

Retina March 2018

Safety Studies for a 44-Channel Suprachoroidal Retinal Prosthesis: A Chronic Passive Study

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Carla J. Abbott; David A. X. Nayagam; Chi D. Luu; Stephanie B. Epp; Richard A. Williams; Cesar M. Salinas-LaRosa; Joel Villalobos; Ceara McGowan; Mohit N. Shivdasani; Owen Burns; Jason Leavens; Jonathan Yeoh; Alice A. Brandli; Patrick C. Thien; Jenny Zhou; Helen Feng; Chris E. Williams; Robert K. Shepherd; Penelope J. Allen
TAGS: eye, histopathology tests, implantation procedure, retina, safety, spectral domain-optical coherence tomography, surgical procedures, operative, visual prosthesis, sclera, implants
Invest. Ophthalmol. Vis. Sci.. 2018; 59(3):1410-1424. doi: https://doi.org/10.1167/iovs.17-23086

Articles January 2018

Gaze Compensation as a Technique for Improving Hand–Eye Coordination in Prosthetic Vision

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Samuel A. Titchener; Mohit N. Shivdasani; James B. Fallon; Matthew A. Petoe
TAGS: gaze, prostheses, vision, eye-hand coordination, eye, accommodation phosphene
Trans. Vis. Sci. Tech.. 2018; 7(1):2. doi: https://doi.org/10.1167/tvst.7.1.2

Clinical Trials August 2017

Identification of Characters and Localization of Images Using Direct Multiple-Electrode Stimulation With a Suprachoroidal Retinal Prosthesis

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Mohit N. Shivdasani; Nicholas C. Sinclair; Lisa N. Gillespie; Matthew A. Petoe; Samuel A. Titchener; James B. Fallon; Thushara Perera; Darien Pardinas-Diaz; Nick M. Barnes; Peter J. Blamey; for the Bionic Vision Australia Consortium
TAGS: accommodation phosphene, eye movement, personality character, vision, visual prosthesis, eye, perception
Invest. Ophthalmol. Vis. Sci.. 2017; 58(10):3962-3974. doi: https://doi.org/10.1167/iovs.16-21311

Visual Neuroscience July 2017

Neural Responses to Multielectrode Stimulation of Healthy and Degenerate Retina

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Kerry J. Halupka; Carla J. Abbott; Yan T. Wong; Shaun L. Cloherty; David B. Grayden; Anthony N. Burkitt; Evgeni N. Sergeev; Chi D. Luu; Alice Brandli; Penelope J. Allen; Hamish Meffin; Mohit N. Shivdasani
TAGS: eye, retina, retinal degeneration
Invest. Ophthalmol. Vis. Sci.. 2017; 58(9):3770-3784. doi: https://doi.org/10.1167/iovs.16-21290

Low Vision June 2017

Determining the Contribution of Retinotopic Discrimination to Localization Performance With a Suprachoroidal Retinal Prosthesis

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Matthew A. Petoe; Chris D. McCarthy; Mohit N. Shivdasani; Nicholas C. Sinclair; Adele F. Scott; Lauren N. Ayton; Nick M. Barnes; Robyn H. Guymer; Penelope J. Allen; Peter J. Blamey; for the Bionic Vision Australia Consortium
TAGS: implants, noise, vision, visual prosthesis
Invest. Ophthalmol. Vis. Sci.. 2017; 58(7):3231-3239. doi: https://doi.org/10.1167/iovs.16-21041

ARVO Annual Meeting Abstract June 2017

Passive safety outcomes of a preclinical 44-channel suprachoroidal retinal prosthesis

Carla J Abbott; Chi D Luu; David A.X. Nayagam; Alice Brandli; Jonathan Yeoh; Joel Villalobos; Owen Burns; Stephanie B Epp; Mohit Naresh Shivdasani; Patrick C. Thien; Ceara McGowan; Richard Williams; Robyn H Guymer; Chris E Williams; Robert K Shepherd; Penelope J Allen

Invest. Ophthalmol. Vis. Sci.. 2017; 58(8):4179. doi:

ARVO Annual Meeting Abstract June 2017

Reducing spread of neural activation using focused multipolar retinal electrical stimulation in sighted and blinded cats

Thomas Spencer; James B Fallon; Carla J Abbott; Penny J Allen; Alice A Brandli; Chi D Luu; Mohit Naresh Shivdasani

Invest. Ophthalmol. Vis. Sci.. 2017; 58(8):4193. doi:

ARVO Annual Meeting Abstract June 2017

A Pre-clinical Model for Safe Retinal Stimulation

David A.X. Nayagam; Patrick C. Thien; Carla J Abbott; Mohit Naresh Shivdasani; Stephanie B Epp; Joel Villalobos; Ceara McGowan; Richard Williams; Chi D Luu; Cesar Salinas-LaRosa; Jonathan Yeoh; Owen Burns; Alice A Brandli; Chris E Williams; Penelope J Allen; Robert K Shepherd

Invest. Ophthalmol. Vis. Sci.. 2017; 58(8):4204. doi:

Visual Neuroscience October 2016

Stimulation of a Suprachoroidal Retinal Prosthesis Drives Cortical Responses in a Feline Model of Retinal Degeneration

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Felix P. Aplin; Erica L. Fletcher; Chi D. Luu; Kirstan A. Vessey; Penelope J. Allen; Robyn H. Guymer; Robert K. Shepherd; Mohit N. Shivdasani
TAGS: cats, eye, retinal degeneration, retina, injections
Invest. Ophthalmol. Vis. Sci.. 2016; 57(13):5216-5229. doi: https://doi.org/10.1167/iovs.16-19926

Visual Psychophysics and Physiological Optics September 2016

The Appearance of Phosphenes Elicited Using a Suprachoroidal Retinal Prosthesis

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Nicholas C. Sinclair; Mohit N. Shivdasani; Thushara Perera; Lisa N. Gillespie; Hugh J. McDermott; Lauren N. Ayton; Peter J. Blamey; for the Bionic Vision Australia Consortium
TAGS: accommodation phosphene
Invest. Ophthalmol. Vis. Sci.. 2016; 57(11):4948-4961. doi: https://doi.org/10.1167/iovs.15-18991

Retina June 2016

Spatial Restriction of Neural Activation Using Focused Multipolar Stimulation With a Retinal Prosthesis

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Thomas C. Spencer; James B. Fallon; Patrick C. Thien; Mohit N. Shivdasani

Invest. Ophthalmol. Vis. Sci.. 2016; 57(7):3181-3191. doi: https://doi.org/10.1167/iovs.16-19325

Retina December 2014

Virtual Electrodes by Current Steering in Retinal Prostheses

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Gerald Dumm; James B. Fallon; Chris E. Williams; Mohit N. Shivdasani
TAGS: maps, visual prosthesis, implants
Invest. Ophthalmol. Vis. Sci.. 2014; 55(12):8077-8085. doi: https://doi.org/10.1167/iovs.14-15391

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Estimating Phosphene Locations Using Eye Movements of Suprachoroidal Retinal Prosthesis Users

A Second-Generation (44-Channel) Suprachoroidal Retinal Prosthesis: Long-Term Observation of the Electrode–Tissue Interface

Classifying Retinal Degeneration in Histological Sections Using Deep Learning

Oculomotor Responses to Dynamic Stimuli in a 44-Channel Suprachoroidal Retinal Prosthesis

A 44 channel suprachoroidal retinal prosthesis: initial psychophysical results

Head and Gaze Behavior in Retinitis Pigmentosa

Histopathological Criteria for Evaluation of Chronically Stimulated Retina

Visual Scanning in Retinitis Pigmentosa

Safety Studies for a 44-Channel Suprachoroidal Retinal Prosthesis: A Chronic Passive Study

Gaze Compensation as a Technique for Improving Hand–Eye Coordination in Prosthetic Vision

Identification of Characters and Localization of Images Using Direct Multiple-Electrode Stimulation With a Suprachoroidal Retinal Prosthesis

Neural Responses to Multielectrode Stimulation of Healthy and Degenerate Retina

Determining the Contribution of Retinotopic Discrimination to Localization Performance With a Suprachoroidal Retinal Prosthesis

Passive safety outcomes of a preclinical 44-channel suprachoroidal retinal prosthesis

Reducing spread of neural activation using focused multipolar retinal electrical stimulation in sighted and blinded cats

A Pre-clinical Model for Safe Retinal Stimulation

Stimulation of a Suprachoroidal Retinal Prosthesis Drives Cortical Responses in a Feline Model of Retinal Degeneration

The Appearance of Phosphenes Elicited Using a Suprachoroidal Retinal Prosthesis

Spatial Restriction of Neural Activation Using Focused Multipolar Stimulation With a Retinal Prosthesis

Virtual Electrodes by Current Steering in Retinal Prostheses

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