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All instrumentation for open surgery should be available in case conversion becomes necessary. The entire surgical team should be prepared for a smooth and expedient transition [9,57–64].

With the advent of minimally invasive, image‐guided laparoscopic procedures and other enhanced visualization and guidance systems, PACS and electronic medical records, the demands and needs for different qualities, types and intensities of light, as well as variations of brightness and focus in the different zones around the room have become primary functional and design challenges and concerns. Lighting systems today must provide flexibility in terms of intensity in the level and movement of light in the space, so that the system can adapt to the different requirements of open surgery, MIS, or image‐guided procedures. The need for different lighting in different zones within the OR to support the specialized functions during the procedure, and the complexity of the integrated OR control systems has added an additional level of complexity beyond what was seen even in the recent past.