Kirigami Design Smart Contact Lens for Highly Sensitive Eyelid Pressure Measurement

IF 8.2 1区化学 Q1 CHEMISTRY, ANALYTICAL

ACS Sensors Pub Date : 2024-12-12 DOI:10.1021/acssensors.4c02361

Wen Chen, Songhao Chen, Xiaoyu Zhao, Lan Yang, Yunbiao Zhao, Ruihua Wei, Jinfang Wu

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Abstract

Eyelid pressure is a crucial biomechanical parameter for ocular health and refractive status, yet measuring it poses challenges related to flexibility, sensitivity, and regional specificity. This study introduces a novel smart contact lens that incorporates kirigami designs and an iontronic capacitive sensing array to enhance flexibility and conformability. The unique structural composition of this device allows for precise and simultaneous monitoring of eyelid pressure in multiple regions with a high sensitivity and seamlessly fit across corneal curvatures. The efficacy of the sensor has been thoroughly confirmed through comprehensive evaluations in rabbits and porcine eyes, demonstrating improved conformity and sensitivity compared to conventional single-point sensors. Assessments have been conducted in various conditions, including under anesthesia and in awake states, as well as the deliberate alteration of intraocular pressure fluctuations, all affirming the exceptional accuracy in detecting eyelid pressure. We envision that the smart contact lens has the potential to revolutionize diagnosis and management of eyelid-related ocular diseases.

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来源期刊

ACS Sensors Chemical Engineering-Bioengineering

CiteScore

14.50

自引率

3.40%

发文量

372

期刊介绍： ACS Sensors is a peer-reviewed research journal that focuses on the dissemination of new and original knowledge in the field of sensor science, particularly those that selectively sense chemical or biological species or processes. The journal covers a broad range of topics, including but not limited to biosensors, chemical sensors, gas sensors, intracellular sensors, single molecule sensors, cell chips, and microfluidic devices. It aims to publish articles that address conceptual advances in sensing technology applicable to various types of analytes or application papers that report on the use of existing sensing concepts in new ways or for new analytes.