In this study, the usability of the visuals belonging to the visual dictionary created to be used in the education program planned on the purpose of developing literacy skills of the hearing impaired students has been researched. The visual dictionary includes 235 visuals in total. The sample of the study consists 12 hearing impaired students of 6., 7., 8. gradein Camlik Hearing Impaired Primary School in Trabzon. Visuals has handed out to students as printed materials. By the help of the teachers working in this school, students have been told how to use these printed materials handed out. Two lesson periods, in total, have been given to the hearing impaired students to write down the words which the visuals in the material express. The printed materials have been reviewed with the class teacher of hearing impaireds in order to determine whether visuals had been expressed with the right words. Results of this study show that hearing imparied students, in general, have low vocabulary knowledge and problems with the spellings of the visuals of which they know the meanings, too.