Tex. Occ. Code § 353.103
(a) If a patient presents a contact lens prescription to be filled or asks a person who dispenses contact lenses to verify a contact lens prescription under Section 353.1015, but requests that fewer than the total number of lenses authorized by the prescription be dispensed, the person dispensing the lenses shall note on the prescription or verification:
(c) The person dispensing the lenses shall:
Acts 1999, 76th Leg., ch. 388, Sec. 1, eff. Sept. 1, 1999.
Acts 2005, 79th Leg., Ch. 101 (H.B. 1025), Sec. 2.006, eff. September 1, 2005.
Acts 2015, 84th Leg., R.S., Ch. 838 (S.B. 202), Sec. 3.026, eff. September 1, 2015.