1. The “practice of optometry” is the examination, diagnosis, treatment, and preventative care of the eye, adnexa, and vision. The practice includes, but is not limited to:

(1) The examination of the eye, adnexa, and vision to determine the accommodative and refractive states, visual perception, conditions, and diseases;

(2) The diagnosis and treatment of conditions or diseases of the eye, adnexa, and vision;

(3) The performance of diagnostic procedures and ordering of laboratory and imaging tests for the diagnosis of vision and conditions and diseases of the eye and adnexa;

(4) The prescription and administration of pharmaceutical agents, excluding injectable agents, for the purpose of examination, diagnosis, and treatment of vision and conditions or diseases of the eye and adnexa;

(5) The removal of superficial foreign bodies from the eye or adnexa;

(6) The employment of objective or subjective mechanical means to determine the accommodative or refractive states of the human eye;

(7) The prescription or adaptation of lenses, prisms, devices, or ocular exercises to correct defects or abnormal conditions of the human eye or vision or to adjust the human eye to special conditions;

(8) The prescription and fitting of ophthalmic or contact lenses and devices;

(9) The prescription and administration of vision therapy; and

(10) The prescription and administration of low vision care.

2. An optometrist may not perform surgery, including the use of lasers for treatment of any disease or condition or for the correction of refractive error.

3. As used in this chapter, except as the context may otherwise require, the following terms mean:

(1) “Eye”, the human eye;

(2) “Adnexa”, all structures adjacent to the eye and the conjunctiva, lids, lashes, and lacrimal system;

(3) “Board”, the Missouri state board of optometry;

(4) “Diagnostic pharmaceutical agents”, topically applied pharmaceuticals used for the purpose of conducting an examination of the eye, adnexa, and vision;

(5) “Low vision care”, the examination, treatment, and management of patients with visual impairments not treatable by conventional eyewear or contact lenses and may include a vision rehabilitation program to enhance remaining vision skills;

(6) “Pharmaceutical agents”, any diagnostic and therapeutic drug or combination of drugs that assist the diagnosis, prevention, treatment, or mitigation of abnormal conditions or symptoms of the human eye, adnexa, and vision;

(7) “Therapeutic pharmaceutical agents”, those pharmaceuticals, excluding injectable agents, used for the treatment of conditions or diseases of the eye, adnexa, and vision;

(8) “Vision therapy”, a treatment regiment to improve a patient’s diagnosed visual dysfunctions, prevent the development of visual problems, or enhance visual performance to meet the defined needs of the patient.