Introduction: Data were collected from youths with visual impairment about their experiences with tactile graphics and braille materials used in mathematics and science classes. Methods: Youths answered questions and explored four tactile graphics made using different production methods. They located specific information on each graphic and shared…

Introduction: The purpose of the study presented here was to understand and describe the misconceptions of students with visual impairments about sound and instructional techniques that may help them to develop a scientific understanding. Methods: Semistructured interview-centered pre-and posttests were used to identify the students' conceptual…

Background: An estimated 1 in 5 American children has a vision problem. Children living in poor urban environments have twice the normal rate of vision problems. Uncorrected vision problems can worsen over time and result in permanent vision loss. Early detection and treatment of vision problems is therefore essential in optimizing children's…