In this section the following words have the meanings indicated. “Governmental unit” means any board, commission, authority, department, or other administrative agency of this State, a county, or a municipality. “Ocular practitioner” means any practitioner who is authorized to provide services within the scope of optometry. Except as provided in this subsection, a governmental unit may not interfere with the complete freedom of the public to choose any ocular practitioner. A governmental unit may make an agreement under which an ocular practitioner is to provide optometric services to the employees of a governmental unit. A governmental unit shall honor and accept any report, statement, or service made or provided by a licensed optometrist within the scope of optometry to the same extent as if the report, statement, or service was made or provided by a physician.