Its role in the clinic by Tony Nevin, BSc (Hons) Ost, DO, Zoo Ost Ltd Infrared thermal imaging has been around for decades. It was developed by the British during World War Two, as a possible means of seeing enemy aircraft at night and in bad weather, and thus aid antiaircraft defences. Since then it has been used for assessing thermal insulation, right the way through to police and other military applications. In more recent years it has also found a use in medicine and veterinary medicine. However, for some reason its use has not always been fully understood, and...