Okla. Stat. tit. 59, § 581
The practice of optometry is defined to be the science and art of examining the human eye and measurement of the powers of vision by the employment of any means, including the use or furnishing of any self-testing device, the use of any computerized or automatic refracting device, the use of pharmaceutical agents, the diagnosis of conditions of the human eye and the correcting and relief of ocular abnormalities by means including but not limited to prescribing and adaptation of lenses, contact lenses, spectacles, eyeglasses, prisms and the employment of visual training or orthoptics for the aid thereof. The practice of optometry shall also include the prescribing of dangerous drugs and controlled dangerous substances for all schedules specified in the Uniform Controlled Dangerous Substances Act except Schedules I and II for the purpose of diagnosis and treatment of ocular abnormalities. Provided, however, the practice of optometry shall not include the dispensing of drugs. This shall not preclude the dispensing of professional samples to patients.
Laws 1927, HB 169, c. 80, § 1, emerg. eff. March 22, 1927; Amended by Laws 1937, HB 305, p. 95, § 1, emerg. eff. April 2, 1937; Amended by Laws 1981, HB 1058, c. 10, § 1, eff. October 1, 1981; Amended by Laws 1994, SB 818, c. 52, § 1, emerg. eff. July 1, 1994.