A person may not act as a dispensing optician in the state unless the person is licensed under this chapter. A license shall be issued for (1) the dispensing of contact lenses, or (2) the dispensing of other lenses, eyeglasses, spectacles, artificial eyes, and their appurtenances, or (3) both. The department shall by endorsement on the license designate for which aspect of dispensing opticianry the license is issued.