Ohio Rev. Code Ann. § 4725.28
(B) A licensed optometrist, on completion of a vision examination and diagnosis, shall give each patient for whom the optometrist prescribes any vision correcting item, device, or procedure, one copy of the prescription, without additional charge to the patient. The prescription shall include the following:
(D) Any supplier, including an optometrist who is a supplier, may advertise to inform the general public of the price that the supplier charges for any vision correcting item, device, or procedure. Any such advertisement shall specify the following: