Opticians assist clients in the selection of eyeglass frames, take the necessary measurements and arrange for the production of eyeglasses or contact lenses, mount lenses in eyeglass frames and fit clients with final prescription eyeglasses and contact lenses. They are employed in optical retail outlets or other establishments with optical dispensing departments, or they may be self-employed. Student opticians and opticians who are managers of optical retail outlets are included in this unit group.