Double-MEMS retinal eye tracker with adjustable temporal and spatial sampling

Maciej M. Bartuzel; Patrycjusz Stremplewski; Michal Meina; Szymon Tamborski; Krystian Wróbel; Maciej Szkulmowski

doi:10.1117/12.2650184

17 March 2023 Double-MEMS retinal eye tracker with adjustable temporal and spatial sampling

Maciej M. Bartuzel, Patrycjusz Stremplewski, Michal Meina, Szymon Tamborski, Krystian Wróbel, Maciej Szkulmowski

Proceedings Volume PC12360, Ophthalmic Technologies XXXIII; PC123600V (2023) https://doi.org/10.1117/12.2650184
Event: SPIE BiOS, 2023, San Francisco, California, United States

Abstract

Direct access to retinal coordinates and fine spatial and temporal resolution are clear advantages of the retinal tracking methods over widely used video-based eye trackers. Several approaches to the retinal eye tracking have been proposed so far, including frame-to-frame scanning laser ophthalmoscope (SLO) tracking, reference-frame based methods using sub-sampled frames or our MEMS-scanner-based tracker capable of measuring both fixational and saccadic eye movements. In this work we present a novel approach to the design of the retinal MEMS-based tracking system, taking advantage of two combined high-speed MEMS mirrors to form a Lissajous scanning pattern with adjustable density and framerate.

Conference Presentation

Citation Download Citation

Maciej M. Bartuzel, Patrycjusz Stremplewski, Michal Meina, Szymon Tamborski, Krystian Wróbel, and Maciej Szkulmowski "Double-MEMS retinal eye tracker with adjustable temporal and spatial sampling", Proc. SPIE PC12360, Ophthalmic Technologies XXXIII, PC123600V (17 March 2023); https://doi.org/10.1117/12.2650184

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