A Model of Electrical Stimulation of a Retinal Cell Population using a Multi-Electrode Array

Al Abed, Amr ;   Lovell, Nigel H. ;   Suaning, Gregg ;   Dokos, Socrates

Tags Medical device modelingPhysiome modelingIonic modeling

A computational modelling approach is employed to investigate the response of a population of retinal ganglion cells (RGCs) to external…

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Assistive Peripheral Prosthetic Vision Aids Perception and Mobility in Outdoor Environments: A Virtual-Reality Simulation Study

Zapf, Marc Patrick Hans ;   Boon, Mei-Ying ;   Lovell, Nigel H. ;   Suaning, Gregg

Tags Sensory neuroprostheses – VisualRehabilitation – Virtual realityNeural interfaces – Implantable systems

Retinitis pigmentosa (RP) causes visual field (VF) constriction due to progressive loss of photoreceptors, typically from the retinal periphery…

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Creating Eye Closure in Patients with Facial Nerve Paralysis using an Implantable Solenoid Actuator

Hasmat, Shaheen ;   Lovell, Nigel H. ;   Eviston, Timothy ;   Ekmejian, Rafael ;   Suaning, Gregg ;   Clark, Jonathan

Tags Prosthetic limbs, devices, and related appliances and aides

This paper proposes the use of an implantable solenoid actuator to create a more natural eyelid closure over current lid loading therapies in…

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Electrically Evoked Potentials in an Ovine Model for the Evaluation of Visual Prosthesis Efficacy

Barriga-Rivera, Alejandro ;   Eiber, Calvin D. ;   Dodds, Christopher William Douglas ;   Fung, Adrian ;   Tatarinoff, Veronica ;   Lovell, Nigel H. ;   Suaning, Gregg

Tags Sensory neuroprostheses – VisualNeural interfaces – Stimulator technology

Visual prostheses are becoming a reality as a therapy to restore functional vision to the blind. New stimulation strategies and novel…

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On the use of Test Gases of Various Radii to Investigate Molecular Sieving in Leak Channels

Lim, William W ;   Bucknall, Martin Paul ;   Adler, Lewis ;   McKenzie, David ;   Suaning, Gregg

Tags Implantable systemsImplantable technologies

Evidence of the effect of molecule size (molecular sieving) was discovered in leak channels similar to those found in hermetically sealed…

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