Yuan, M., Das, R. , McGlynn, E., Ghannam, R. , Abbasi, Q. H. and Heidari, H. (2021) Wireless communication and power harvesting in wearable contact lens sensors. IEEE Sensors Journal, 21(11), pp. 12484-12497. (doi: 10.1109/JSEN.2021.3055077)
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228031.pdf - Accepted Version 1MB |
Abstract
The human eye contains multiple biomarkers related to various diseases, making electronic contact lens an ideal non-invasive platform for their diagnosis and treatment. Recent advances in technology have enabled the monitoring and diagnosis of glaucoma from Intraocular Pressure (IOP) detection, diabetes from glucose concentration detections, and other biosensors for pH and temperature sensing. Different sensor designs have led to distinct power transfer techniques, among which inductively coupled power transfer is considered most favourable for electronic contact lenses power delivery applications. Therefore, loop antenna, spiral shape antenna, and antenna with nanomaterials such as graphene and hybrid silver nanofibers have been explored under Industrial, Scientific, and Medical (ISM) frequency bands for both Wireless Power Transfer (WPT) and data communication. Notably, spiral antennas are also considered as the component of IOP sensing using capacitive sensors to detect the changes in frequency caused by pressure. This article reviews the state-of-the-art technologies in electronic contact lens sensors and their power delivery techniques. Herein, diverse sensing methods, materials, and power transfer techniques and the promising future trends and challenges in electronic contact lenses have been presented.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | McGlynn, Eve and Abbasi, Professor Qammer and Ghannam, Professor Rami and Heidari, Professor Hadi and Yuan, Mengyao and Das, Dr Rupam |
| Authors: | Yuan, M., Das, R., McGlynn, E., Ghannam, R., Abbasi, Q. H., and Heidari, H. |
| College/School: | College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering |
| Journal Name: | IEEE Sensors Journal |
| Publisher: | IEEE |
| ISSN: | 1530-437X |
| ISSN (Online): | 1558-1748 |
| Published Online: | 27 January 2021 |
| Copyright Holders: | Copyright © 2020 IEEE |
| First Published: | First published in IEEE Sensors Journal 21(11): 12484-12497 |
| Publisher Policy: | Reproduced in accordance with the publisher copyright policy |
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