There is provided a light treatment device (1). The device (1) comprises a carrier (11) having an opening (5) for positioning over and viewing a treatment area and a light emitter (6) for providing treatment light to the treatment area. There is also provided an attachment (3) for attaching the carrier to a patient. The device is useful as the opening can be positioned over an area where light therapy is desired, whilst viewing the area, and then held in position with the attachment. Light therapy can then be administered to the area and treatment of areas where light therapy is not desired can be avoided.