As used in this chapter:
Employing, applying, administering, and prescribing instruments, devices, and procedures, other than invasive procedures, for purpose of examination, investigation, diagnosis, treatment, or prevention of any disease, injury, or other abnormal condition of the visual system;
for evaluative purposes in the practice of optometry
or for purposes of examination, investigation, diagnosis, treatment, or prevention of any disease, injury, or other abnormal condition of the visual system.
R.C. § 4725.01