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National Center on Deaf-Blindness, 2016
Students who are deaf-blind have absent, partial, or distorted vision and hearing. Deaf-blindness severely limits access to visual and auditory information that forms the basis for learning and communication and creates challenges for educational systems mandated to provide free and appropriate education in the least restrictive environment.…
Descriptors: Intervention, Students with Disabilities, Deaf Blind, Individualized Education Programs
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Schoessow, Kimberly A.; Gilbert, Leah M.; Jackson, Mary Lou – Journal of Visual Impairment & Blindness, 2010
Central scotomas--areas of the nonseeing retina within the central 20 degrees of the visual field--are present in approximately 90% of vision rehabilitation patients. They vary in size and shape and can be small or large, symmetrical or asymmetrical, round or irregularly shaped. Most central scotomas border fixation on one side and can be overcome…
Descriptors: Intervention, Partial Vision, Vision, Patients