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Identifying whether or not a retinal implant has malfunctioned after implantation is crucial for safety and efficacy testing in preclinical animal studies and clinical testing in human volunteers. Technical failure can lead to charge injection to areas other than the retina leading to a misjudgment of safety considerations or psychophysical results. This study assessed the feasibility of using standard...
A mathematical framework for estimation of the conductivity map of the retina is presented. The problem is formulated and solved in two-dimensional space considering hypothetical inhomogeneity in the conductivity profile at each layer of the retina in x and y directions. Finite element analysis is used to solve the equation of continuity in steady state to simulate voltage measurements as well as...
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