Hyung-Jung Yoo

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A retinal stimulator is an implantable device restoring vision by supplying a controlled, stimulating electrical signal to people blinded by retinal diseases such as age-related macular degeneration (AMD) and retinitis pigmentosa (RP). The resolution requirements of artificial retina systems become increasingly significant in their design as well as their(More)
The current stimulation method is preferred over the voltage stimulation method in the visual prostheses based on functional electrical stimulation (FES) due to its accurate charge control property. Previous current stimulators are generally implemented using a static high supply voltage, because current stimulations require high output voltage compliance.(More)
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