Beginning readers and students with visual discrimination problems often confuse words that are similar. Some of the words that are most frequently misperceived are was and saw, this and that, when and then, where and there, and ever and every. Visual Discimination: Noting Differences in Frequently Misperceived Words was developed after years of research and work with beginning readers and students with visual discrimination weaknesses. This research resulted in identifying the most frequently misperceived words and determining the techniques that were most effective in developing visual discrimination. This workbook is based on specific words that are most often misperceived by beginning readers and students with visual discrimination weaknesses. It is designed to teach students how to establish in their memory the differences between similar words so that reading these words accurately becomes an automatic response. Included in this workbook are a teacher's manual and sixty (60) exercises presented in a developmental fashion, unitlizing teaching techniques proven to be effective in expanding visual discrimination skills.