A Designer is one who makes or creates art in a beautiful way. These are people who have a creative mind and put their thoughts into work. Specifically in Australia, there are various professions on which are categorized by the Designing label.
Optometrists are those who are in a line of work that concerns with the eyes including the vision of the eyes, visual systems. They are the ones who prescribe your glasses, treat eye diseases and vision problems. Although they are not allowed to perform surgery, they are the ones who offer pre or post surgical care to the patients.