Intended for classroom teachers, the manual provides an approach to observation, assessment, record keeping, and remediation of students' visual performance. A list of clues for detecting visual performance difficulties and nine laws applicable to visual performance development tasks are given. Described in two sections are the materials, steps, and activities involved in the evaluation of motor visual functioning (fixation, tracking, and convergence) and perceptual visual functioning (using a form strip activity, chalkboard activities, and flat form tasks). Blank record sheets are also provided. In a final section are guidelines for a form strip and cutouts, charts for 11 flat form tasks, an outline of developmental age norms and stages of visual perception, a glossary of terms, and a list of sources for commercial materials. (SB)