The authors conducted a study to determine (a) the incidence of dual-certified vision professionals (professionals certified as both teachers of the visually impaired and orientation and mobility specialists) in Texas, (b) the degree to which these professionals worked in both roles between 2003 and 2006, (c) the reasons vision professionals…

For all children with visual impairments to receive services from qualified teachers is important. The roles of teachers of students with visual impairments change, influenced by such factors as the changing demographics of children with visual impairments, the types of services needed by the students on their caseloads, caseload sizes and work…