Subject to subsection (d) of this section, the Department shall adopt regulations that govern the selling and dispensing of plano and zero-powered contact lenses and plano and zero-powered replacement contact lenses. A person may not knowingly sell or dispense contact lenses or replacement contact lenses without a valid and unexpired prescription or replacement contact lens prescription. A person who violates any provision of this section is guilty of a misdemeanor and on conviction is subject to a fine not exceeding $1,000. This section does not limit the right of the State Board of Examiners in Optometry to regulate an optometrist who knowingly sells or dispenses contact lenses or replacement contact lenses without a valid and unexpired prescription or replacement contact lens prescription.