Reduce outside noise and other environmental stimulation that may distract the child. Objects can be more easily seen when they are moving. This is especially true when they are in the peripheral fields. Positioning is also important. The more energy being expended on holding yourself up the less can be used for seeing.
Language helps a child to understand a visual situation by adding meaning to it.
Be consistent in the language you use. Observations on the Habilitation of Children with Cortical Visual Impairment. A Resource Guide with Adaptations for Students with Visual Impairments. Texas School for the Blind. Neurological Visual Impairment.