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Due to the low power consumption CMOS electronics is ideal for the use in implanted systems. This paper presents two projects working on ophthalmological implants. Both systems are powered by an external RF-field. One system has been developed to measure the intraocular pressure continuously which is important for the therapy of glaucoma patients. The system consists of a micro coil and an integrated pressure transponder chip built into an artificial soft lens. A second example is a very complex system for epiretinal stimulation of the nerve cells of the retina. With such a system it might be possible to give blind people that are suffering from retinitis pigmentosa some visual contact to their surrounding.
Wilfried Mokwa
"Microsystem technologies for ophtalmological implants", Proc. SPIE 4982, Microfluidics, BioMEMS, and Medical Microsystems, (17 January 2003); https://doi.org/10.1117/12.480773
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Wilfried Mokwa, "Microsystem technologies for ophthalmological implants," Proc. SPIE 4982, Microfluidics, BioMEMS, and Medical Microsystems, (17 January 2003); https://doi.org/10.1117/12.480773