These rules are promulgated under the authority of the Medical Practice Act, Texas Occupations Code Ann., Title 3, Subtitle B, and the Texas Contact Lens Prescription Act, Texas Occupations Code Ann., Title 3, Subtitle F, Chapter 353, to set forth the criteria under which a patient may request and receive a contact lens prescription and under which a physician shall provide such prescription.
22 Tex. Admin. Code § 181.1