(a) Dispensing opticians who dispense contact lenses shall instruct the wearer at the time the lenses are delivered to return to the prescribing and responsible optometrist or physician skilled in diseases of the eye for evaluation, approval, and follow-up care.

(b) A dispensing optician may duplicate lenses without prescription, provided that a dispensing optician shall not substitute contact lenses for spectacles, eyeglasses, or other optical devices except as otherwise authorized in this chapter or engage in the diagnosis of diseases of the human eye or attempt to determine the refractive powers of the human eye or in any manner attempt to prescribe remedies for or treat diseases or ailments of human beings.

(c) A dispensing optician who qualifies under this chapter shall be determined and recognized as engaging in a lawful trade or occupation in this state.