California Codes, Business and Professions Code - BPC, Division 2 — Healing Arts, Chapter 7 — Optometry, Article 3 — Admission to Practice, Section 3040
(a) It is unlawful for a person to engage in the practice of optometry or to advertise or hold himself or herself out as an optometrist without a valid, unrevoked California optometrist license. The practice of optometry includes the performing or controlling of any acts set forth in Section 3041.
(b) In any prosecution for a violation of this section, the use of test cards, test lenses, or of trial frames is prima facie evidence of the practice of optometry.
Notes
Prohibits practicing optometry, advertising as an optometrist, or holding oneself out as an optometrist without a valid, unrevoked California optometrist license. In a prosecution for violating that prohibition, use of test cards, test lenses, or trial frames constitutes prima facie evidence that the person was practicing optometry.
Use as reference
Lexinter.net | California Code, Business and Professions Code - BPC § 3040 | https://laws.lexinter.net/codes/california/business-and-professions-code/division-2/chapter-7/article-3/section-3040