Notwithstanding any provision of any individual or group policy, contract, plan or agreement of accident and/or health insurance or any provisions of a policy, contract, plan or agreement for hospital or medical service or indemnity, whenever such policy, contract, plan or agreement provides for reimbursement for any visual or optometric service which is within the lawful scope of practice of a duly-licensed optometrist, the person entitled to benefits, or person performing services, under such policy, contract, plan or agreement shall be entitled to reimbursement on an equal basis for such service, whether the said service is performed by a physician licensed under 59 O.S.1961, §§ 481 through 518, inclusive, or by an optometrist licensed under 59 O.S.1961, §§ 581 through 606, inclusive. Optometric services shall include eye and/or visual examination or a correction of any vision or muscular anomaly and the supplying of ophthalmic materials, including contact lenses and subnormal vision aids. Unless such policy, contract, plan or agreement shall otherwise provide, there shall be no reimbursement for ophthalmic materials, lenses, contact lenses, spectacles, eyeglasses, and/or appurtenances thereto.