The practice of optometry is declared to be a profession and is defined as: (1) The examination of the human eye and its appendages, and the; (2) The employment of any means for the measurement of the powers of visions, or any visual, muscular, neurological, interpretative, or anatomical anomalies of the visual processes, and the; (3) The prescribing or employment of lenses, prisms, frames, mountings, and visual training procedure, the procedures; (4) The prescribing or administration, except by injection of pharmaceutical agents rational to the diagnosis and treatment of the human eye and its appendages, and any other; (5) Other means or method methods for the correction, remedy, or relief of any insufficiencies or abnormal conditions of the visual processes of the human eye and its appendages except surgery. However, an optometrist may remove; (6) The removal of superficial foreign bodies from the eye. The prescription; (7) The prescribing of contact lenses, except by a practitioner physician licensed under chapter 36-4, constitutes the practice of optometry. An optometrist is one who practices optometry under the provisions of this chapter; and (8) Any of the following procedures, subject to the provisions of section 2 of this Act: (a) Debridement of corneal epithelium; (b) Removal of corneal epithelium; (c) Injections for the treatment of conditions or diseases of the eye or eyelid, excluding intraocular injections penetrating the globe; 25 (d) The use of a local anesthetic in conjunction with the primary treatment of an eyelid lesion; (e) Removal and biopsy of eyelid lesions without characteristics or obvious signs of malignancy, excluding lesions involving the eyelid margin or larger than five millimeters in size; (f) Incision and curettage of a chalazion; (g) Simple repair of an eyelid laceration no larger than two and one-half centimeters and no deeper than the orbicularis muscle and not involving the eyelid margin or lacrimal drainage structures; (h) Corneal cross-linking; and (i) Laser capsulotomy, laser peripheral iridotomy, and laser trabeculoplasty. Any procedure authorized by this section and undertaken by a licensed optometrist, in accordance with this chapter, does not constitute the practice of medicine for purposes of chapter 36-4.