Miss. Code Ann. § 73-19-29: Miss. Code Ann. § 73-19-29

The provisions of this chapter shall not apply to physicians or surgeons practicing under authority of licenses issued under the laws of this state for the practice of medicine or surgery. And provided that this chapter shall not prohibit merchants and druggists who are actually engaged in business in this state from selling and assisting purchasers in fitting spectacles and eye glasses in their place of business at time of sale.