The present invention relates to a head support for supporting a patient's head while the patient is in a prone position. The head support comprises a body of compliant material whose shape provides a forehead support region, at least one further support region for supporting a lower portion of the patient's face, and a void which accommodates the patient's eyes, nose and mouth in use. According to one aspect of the invention, a viewing opening is provided which faces laterally and provides in use a line of sight from the exterior of the head support into the void, the viewing opening having a periphery which is an unbroken loop.
