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Article Dans Une Revue Sensors Année : 2022

Design of a Multimodal Oculometric Sensor Contact Lens

Résumé

Oculometric data, such as gaze direction, pupil size and accommodative change, play a key role nowadays in the analysis of cognitive load and attentional activities, in particular with the development of Integrated Visual Augmentation Systems in many application domains, such as health, defense and industry. Such measurements are most frequently obtained by different devices, most of them requiring steady eye and body positions and controlled lighting conditions. Recent advances in smart contact lens (SCL) technology have demonstrated the ability to achieve highly reliable and accurate measurements, preserving user mobility, for instance in measuring gaze direction. In this paper, we discuss how these three key functions can be implemented and combined in the same SCL, considering the limited volume and energy consumption constraints. Some technical options are discussed and compared in terms of their ability to be implemented, taking advantage of recent developments in the field.
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hal-03772668 , version 1 (08-09-2022)

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Jean-Louis de Bougrenet de la Tocnaye, Vincent Nourrit, Cyril Lahuec. Design of a Multimodal Oculometric Sensor Contact Lens. Sensors, 2022, 22 (18), pp.6731. ⟨10.3390/s22186731⟩. ⟨hal-03772668⟩
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