As used in this subsection, "blind" means a person whose vision in the person's better eye with proper correction does not exceed 20/200 or who has a field defect in the person's better eye with proper correction which contracts the peripheral field so that the diameter of the visual field subtends an angle no greater than 20 degrees; and "visually impaired" means having a condition in which a person has a corrected visual acuity not exceeding 20/70, but not less than 20/200, in the person's better eye, or in which the peripheral field of the person's vision has contracted so that the diameter of the visual field subtends an angle no greater than 40 degrees but no less than 20 degrees.
N.J.S. § 4:22-17.2