Section 66. The practice of optometry, as referred to in sections 67 to 73, inclusive, shall mean the employment of any method or means for the diagnosis, prevention, correction, management or treatment of optical deficiencies, optical deformities, visual anomalies, muscular anomalies, ocular diseases and ocular abnormalities of the human eye and adjacent tissue, including removal of superficial foreign bodies and misaligned eyelashes, by utilization of pharmaceutical agents, by the prescription, adaptation and application of ophthalmic lenses, devices containing lenses, prisms, contact lenses, orthoptics, vision therapy, prosthetic devices and other optical aids and the utilization of corrective procedures to preserve, restore or improve vision, consistent with the provisions of sections 66A and 66B.