SPIE BiOS Expo is the exhibition component of the SPIE BiOS program that focuses on biomedical optics and imaging, bringing together researchers, clinicians, and industry to showcase advances in photonics for life‑sciences and medical applications. It takes place at the Moscone Center in San Francisco and features vendors demonstrating imaging systems, lasers, spectroscopy, diagnostics, and translational technologies alongside conference activities. The expo is notable for concentrating cutting‑edge biomedical‑optics innovations and offering networking opportunities that bridge academic research and commercial development.