"Image sequences on cards for use by students with CVI who have had success with 2-dimensional materials". --Publisher's website.

"CVI Complexity Sequences Kit includes cards that present sequences of images designed to refine the ability to identify a target in the presence of increasing amounts of background information. These cards may be used individually or as a sequence and should be presented against a black or plain, light-absorbing background."--Publisher's website "Grade level: Preschool and up" --publisher's website