Smart Contact Lens Developed to Monitor Intraocular Pressure and Deliver Glaucoma Medication

Researchers at the Terasaki Institute for Biomedical Innovation have developed a groundbreaking smart contact lens designed to monitor intraocular pressure (IOP) in real time and deliver medication as needed. The innovative device, made entirely of polymer materials, combines advanced sensing technology with a drug delivery system to address conditions like glaucoma. The findings were published by Principal Investigator Dr. Yangzhi Zhu in *Science Translational Medicine*.

The smart contact lens integrates sensors that continuously measure IOP, a key factor in diagnosing and managing glaucoma, which is one of the leading causes of blindness worldwide. When elevated pressure levels are detected, the lens can automatically release medication to lower IOP, creating a closed-loop treatment system. This dual-functionality aims to improve patient outcomes by providing timely intervention and reducing reliance on traditional eye drops or invasive procedures. Researchers highlighted the potential for this technology to enhance precision in ocular care while offering a more convenient solution for patients.

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Date: April 8, 2026

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