Soft, wireless periocular wearable electronics for real-time detection of eye vergence in a virtual reality toward mobile eye therapies

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PubDate: Mar 2020

Teams: Georgia Institute of Technology;University of Kent;Wichita State University;Yonsei University;

Writers: Saswat Mishra1,, View ORCID ProfileYun-Soung Kim1,, View ORCID ProfileJittrapol Intarasirisawat2, Young-Tae Kwon1, View ORCID ProfileYongkuk Lee3, Musa Mahmood1, View ORCID ProfileHyo-Ryoung Lim1, Robert Herbert1, Ki Jun Yu4, View ORCID ProfileChee Siang Ang2 and View ORCID ProfileWoon-Hong Yeo1,5,6,†

PDF: Soft, wireless periocular wearable electronics for real-time detection of eye vergence in a virtual reality toward mobile eye therapies

Abstract

Recent advancements in electronic packaging and image processing techniques have opened the possibility for optics-based portable eye tracking approaches, but technical and safety hurdles limit safe implementation toward wearable applications. Here, we introduce a fully wearable, wireless soft electronic system that offers a portable, highly sensitive tracking of eye movements (vergence) via the combination of skin-conformal sensors and a virtual reality system. Advancement of material processing and printing technologies based on aerosol jet printing enables reliable manufacturing of skin-like sensors, while the flexible hybrid circuit based on elastomer and chip integration allows comfortable integration with a user’s head. Analytical and computational study of a data classification algorithm provides a highly accurate tool for real-time detection and classification of ocular motions. In vivo demonstration with 14 human subjects captures the potential of the wearable electronics as a portable therapy system, whose minimized form factor facilitates seamless interplay with traditional wearable hardware.

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