California Code, Business and Professions Code - BPC § 3160

An optometric corporation is a corporation that is authorized to render professional services, as described in Sections 13401 and 13401.5 of the Corporations Code, if that corporation and its shareholders, officers, directors, and employees rendering professional services who are physicians and surgeons, psychologists, registered nurses, optometrists, or podiatrists are in compliance with the Moscone-Knox Professional Corporation Act as contained in Part 4 (commencing with Section 13400) of Division 3 of Title 1 of the Corporations Code, the provisions of this article, and all other statutes and regulations now or hereafter enacted or adopted pertaining to the corporation and the conduct of its affairs.  With respect to an optometric corporation, the governmental agency referred to in the Moscone-Knox Professional Corporation Act is the California State Board of Optometry.