“Person who is blind” means a person who:
1. Is described in NRS 426.082; and
2. Has a loss or impairment of eyesight which constitutes a substantial impediment to employment for which vocational rehabilitation services:
(a) May reasonably be expected to prepare the person to engage in competitive integrated employment which is consistent with the abilities of the person; or
(b) Are necessary to determine the rehabilitation potential of the person.