How Can We See Through Closed Eyes ?

A team of researchers from Tel Aviv University, led by doctoral student Omer Ben Barak-Dror, has developed a groundbreaking technology that enables the first time monitoring of pupil size and gaze direction behind closed eyes using touchless infrared imaging. This innovation, which combines short-wave infrared (SWIR) imaging with deep learning algorithms, has the potential to revolutionize clinical care by providing valuable insights into a patient s state of wakefulness, sedation levels, and responsiveness. The technology focuses on tracking the pupillary light reflex (PLR), a basic reflex that occurs symmetrically across the two eyes in healthy individuals. The researchers conducted experiments to validate their technology, comparing results from closed-eye conditions to open-eye data. The system operates at wavelengths where light has maximum depth of penetration in biological tissue, and deep learning algorithms are used to analyze the data. The implications of this technology are vast, as it can be used in various clinical settings, such as sleep medicine, monitoring sedation levels during anesthesia, assessing pain and reactivity in unresponsive patients, and in neurology intensive care and trauma wards. The researchers believe that this technology has strong potential to become an important tool in clinical care, and they have filed a patent application for its development. The study was supported by grants from the Zimin Foundation and the breakthrough technology program of the Israeli Ministry of Science and Technology. The research was published in the journal Communications Medicine, and the team includes Prof. Yuval Nir, Prof. Israel Gannot, Dr. Michal Tepper, Dr. Barak Hadad, Dr. Hani Barhum, and David Haggiag. In summary, this new technology allows for the first time the monitoring of pupil size and gaze direction behind closed eyes, providing valuable clinical information and opening up new possibilities for patient care in various medical fields.

Source: miragenews.com
Published on 2024-09-16

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