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In current regional anesthesia practice, “visualization” typically refers to the real-time imaging and display of subcutaneous anatomical structures with ultrasound imaging, and “wearable technology” refers to hands-free, optical head-mounted displays (e.g., smart glasses) that can project digital information directly into the clinician’s field of view. The paradigm shift in the history of regional anesthesia from anatomical landmark techniques to ultrasound guidance has revolutionized the art of regional anesthesia and transformed a blind procedural technique into a visually guided intervention.
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Chen et al. (2026) studied this question.
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