Intraocular pressure monitoringdevice comprising a soft contact lens (1) such as asilicone contact lens and an active strain gage (2)fixed to the contact lens (1), the active strain gage(2) being placed at a distance from the center (C)of the contact lens and being not in direct contactwith the eye, wherein the active strain gagecomprises a polygonal portion situated around thecenter (C) of the contact lens.
