V

VI
Visual Impairment.  People with VI include people who have never had any visual function, those who had normal vision for some years before becoming gradually or suddenly partially or totally blind, those with disabilities in addition to the visual loss, those with selective impairments of parts of the visual field, and those with a general degradation of acuity across the visual field. 

VR
Vocational Rehabilitation.  VR agencies are experts in job placement services and networking with employers. Each state has devised practices that are useful for their regional industries, geographic profile and demographics. Learn more here, or find state VR programs.