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Micro-electronic Implants in Ophthalmology
Walter P.,
Universität zu Köln, Zentrum für Augenheilkunde (Köln)
Purpose: The integration of sensors and actuators in intraocular implants is getting more and more feasible due to progress in microfabrication and microsystem technology. Prototypes in various fields are introduced.
Methods: Prototypes have been implanted in rabbit eyes and were evaluated concerning long-term function and biocompatibility with clinical examinations, electrophysiology, and histology.
Results: Pressure Sensors, Retina Stimulators, and Intraocular Displays could be implanted after some modifications of standard techniques. They proved their function over months up to years and they were tolerated by the eye and its structures.
Conclusions: Sensors and actuators could be integrated into intraocular implants providing new perspectives in several fields of ophthalmology.