1. Robotically aligned optical coherence tomography with 5 degree of freedom eye tracking for subject motion and gaze compensation

    Robotically aligned optical coherence tomography with 5 degree of freedom eye tracking for subject motion and gaze compensation

    Optical coherence tomography (OCT) has revolutionized diagnostics in ophthalmology. However, OCT requires a trained operator and patient cooperation to carefully align a scanner with the subject’s eye and orient it in such a way that it images a desired region of interest at the retina. With the goal of automating this process of orienting and aligning the scanner, we developed a robot-mounted OCT scanner that automatically aligned with the pupil while matching its optical axis with the target region of interest at the retina. The system used two 3D cameras for face tracking and three high-resolution 2D cameras for ...

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