The practice of the profession of dispensing optician is declared to involve activities affecting the public interest and involving the health and safety and welfare of the public. Such activities, when engaged in by a person who is not licensed, are declared to be a public nuisance and harmful to the public health, safety, and welfare. The board or the appropriate prosecuting attorney where such nuisance exists may bring an action to restrain and enjoin such unlicensed practice in the superior court of the county where such unlicensed person resides. It shall not be necessary in order to obtain the equitable relief provided in this Code section to allege or prove that there is no adequate remedy at law.