Dual sensory impairment as a peripheral impairment Dual sensory
impairment caused by disorders in the peripheral parts of both
systems, eyes and ears, is uncommon in children. The changes in
the peripheral parts of the visual system are structural changes
in the eyes and optic nerves and in the auditory system
structural changes in the outer, middle and/or inner ear. There
are two different groups among these children based on their
communication and educational needs: 1) Children with congenital
infections (rubella, toxoplasmosis, syphilis, CMV, herpes
meningitis, encephalitis), rare syndromes or an unknown cause
that has affected development of both eyes and ears, is one
group. This group of children has a great variation in their
communication techniques. Many depend on tactile sign language,
many have limited language skills but there are also children
with normal spoken language and good, although stressful
communication using hearing aids and trying to decipher visual
communication. Severity of brain da