<img src='https://i.cbc.ca/1.4641730.1525107480!/fileImage/httpImage/image.jpg_gen/derivatives/16x9_460/virtual-reality-surgery.jpg' alt='Virtual Reality surgery' width='460' title='Dr. David Clarke rehearses on a virtual reality program that uses real recordings of surgeries and virtual equipment. ' height='259' /> A neurosurgeon in Halifax says virtual reality is changing the way his department operates. Dr. David Clarke says it's only a matter of time before it's used in hospitals across the country.