15 U.S.C. § 7601 — Availability of contact lens prescriptions to patients

(a) In general When a prescriber^* completes a contact lens fitting^*, the prescriber—
(1) whether or not requested by the patient, must provide to the patient a copy of the contact lens prescription^*; and
(2) must, as directed by any person designated to act on behalf of the patient, provide or verify the contact lens prescription by electronic or other means.

(b) Limitations A prescriber may not—
(1) require purchase of contact lenses from the prescriber or from another person as a condition of providing a copy of a prescription under subsection (a)(1) or (a)(2) or verification of a prescription under subsection (a)(2);
(2) require payment in addition to, or as part of, the fee for an eye examination, fitting, and evaluation as a condition of providing a copy of a prescription under subsection (a)(1) or (a)(2) or verification of a prescription under subsection (a)(2); or
(3) require the patient to sign a waiver or release as a condition of verifying or releasing a prescription.