Lothian and Borders Police are appealing for witnesses regarding the assault and robbery that occurred in Muirhouse Drive.
Police are looking for three men in relation to the incident.
Witnesses have described the first as a black male, around 5ft 7inches in height, of average to broad build and was wearing a black padded jacket with hood, cap, grey scarf and local accent.
The other two are described as being white men, around 5ft 9inches in height and both were wearing a black hooded top.
Anyone with information is asked to contact Lothian and Borders Police on 0131 311 3131, or in confidence and complete anonymity, through the charity Crimestoppers on 0800 555 111.