For Professionals Upcoming Events WDBTAP sponsored, statewide, and national events. Recorded Workshops Workshops presented by Perkins School for the Blind, Ryan Odland, and others. Resources Helpful resources for professionals working with children who are deafblind. Deaf Mentor First Steps Program that provides personalized sign language instruction to families and early childhood staff. Criteria for DeafblindUnderstanding the deafblind disability category criteria.