California Code, Business and Professions Code - BPC § 2556

(a) Except as authorized by Section 655, it is unlawful for a registered dispensing optician or a person who engages in the business of, or holds himself or herself out to be, a dispensing optician to do any of the following:  to advertise the furnishing of, or to furnish, the services of an optometrist or a physician and surgeon, to directly employ an optometrist or physician and surgeon for the purpose of any examination or treatment of the eyes, or to duplicate or change lenses without a prescription or order from a person duly licensed to issue the same.  For the purposes of this section, “furnish” does not mean to enter into a landlord-tenant relationship of any kind.

(b) Notwithstanding Section 125.9, the board may, by regulation, impose and issue administrative fines and citations for a violation of this section or Section 655, which may be assessed in addition to any other applicable fines, citations, or administrative or criminal actions.