Toys which have light and music should not be used with children in this phase. When lighted toys or objects are used the light should be used to accentuate or highlight the item.Sources of light should be positioned behind child.May be difficult to redirect child’s attention away from a light source.Staring at lights or light sources is often observed may also be attentive to ceiling fans.Presence of the unique CVI characteristicsĮarly Resolution Light Gazing Visual Reflex Response (touch) Mid Resolution Color Latency Visual Novelty Visual Reflex Response (threat) Movement Later Resolution Visual Field Preference Visual Motor Complexity Target Array Complexity Distance Viewing Characteristics of CVI CVI is suspected when: Normal eye exam Brain injury Unique characteristics present.

Child has difficulty using visual input he/she is receiving.

Ocular: child has difficulty obtaining good visual image, but can process and interpret image accurately when enough information is present.

CVI: child may see accurate visual image, but can’t interpret it accurately.

CVI is not an indication of the child’s cognitive ability.ĭifferences between Ocular and Cortical Visual Impairment.This will cause the child to have difficulty using visual input he/she is receiving. CVI is a condition in which the eye works but the part of the brain which interprets the signals provided by the eye does not.Based on visual, individual and environmental characteristics.Organized in different places of the brainįUNCTIONAL USE OF VISION: Using vision tocomplete an activity within daily life.

Visual novelty and cvi