111-11. Definitions.
For the purposes of this Chapter, the following definitions apply:
(1) "Blind person" means a person who meets any of the following criteria:
a. Is totally blind.
b. Has central visual acuity that does not exceed 20/200 in the better eye with correcting lenses.
c. Has a visual field that subtends an angle no greater than 20 degrees at its widest diameter.
(2) "Visually impaired person" means a person whose vision with glasses is so limited as to prevent the performance of ordinary activity for which eyesight is essential.