Researchers at the Terasaki Institute for Biomedical Innovation reported a smart polymer contact lens that measures intraocular pressure (IOP) in real time and automatically releases therapy when IOP exceeds a critical threshold. The design uses a responsive material to enable closed-loop glaucoma treatment without bulky external devices. The work positions the lens as a potential solution for adherence gaps in chronic eye therapy, while the report notes that the technology’s impact on visual acuity is still under investigation. Early preclinical tolerability in animal models was highlighted. The advance adds to the growing med-tech category of sensor-and-drug delivery wearables intended to personalize treatment and reduce patient burden, especially in ophthalmology where daily consistency matters.