Using a massage gun on or around the eyes risks major tearing and bruising to the retina-the light sensitive tissue at the back of the eye-doctors warn in the online journal BMJ Case Reports after treating a young man who had used one of these devices.

Using a massage gun on or around the eyes risks major tearing and bruising to the retina—the light-sensitive tissue at the back of the eye—doctors warn in the online journal BMJ Case Reports after treating ...