Any embalmer, licensed under the provisions of chapter 333, who has successfully completed a course in eye enucleation conducted or certified by the department of ophthalmology of a college of medicine offering said course, and who holds a valid certificate of competence for completing the course, may enucleate eyes when the eyes have been donated as a gift as provided by the Missouri uniform anatomical gift act. No embalmer is subject to any civil or criminal liability for performing any act necessary to enucleate eyes as provided by this section.