Prevent Blindness North Carolina (PBNC), also known as the National Society to Prevent Blindness – North Carolina Affiliate, Inc., was organized in 1967 as a nonprofit health agency. An independent affiliate of Prevent Blindness America (established in 1908), PBNC delivers direct service programs designed to preserve sight through screening, publications, safety, education, information and referral through volunteer efforts. PBNC’s mission is to reach people before blindness strikes.