We increasingly look to screens for our views of our world rather than to the world itself. Light, the occasion for our sight, reaches our eyes from laptop, phone, camera—any of our interchangeable monitors. It glows as evenly as an infinity pool or refracts into rainbow effects and sunspots, each with its own emotional field and index of meaning. The Swiss artist Thomas Julier is uniquely preoccupied with this phenomenon. His photographic, moving-image, and sculptural works, concerned with both analog and digital light processing, adjust seamlessly to our present condition, like an eye