STMicroelectronics (Geneva, Switzerland) has developed a wireless MEMS sensor that acts as a transducer, antenna, and mechanical support for the SENSIMED Triggerfish® continuous eye pressure monitor from Sensimed AG. The solution will enable better management of glaucoma patients via earlier diagnosis and treatment that is tailored to each patient. The solution is based on a “smart” contact lens that uses a tiny embedded strain gauge to monitor the curvature of the eye over a period of 24 hours, providing disease management data that is not obtainable using conventional ophthalmic equipment. The lens also contains an antenna, a tiny dedicated processing circuit, and an RF transmitter that communicate the measurements to a receiver worn around the patient's neck. Because it is powered via the received radio waves, it does not need to be connected to a battery.
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