The author discusses applying J. Piaget's philosophy to the treatment of learning-related visual problems by first probing for the available knowledge in the person's ocular sensorimotor intelligence, visual thinking, and logical reasons. Then, through tasks, the individual is encouraged to engage in high-level thinking in the undeveloped areas.…

The author reviews aspects of visual integration which should be assessed in students with suspected learning problems: visually directed and monitored movements, visual tactual integrations, visual auditory language integrations, and visual systems integrations. (CL)

The article reviews three studies (EC 600 064-066) evaluating the effectiveness of using Irlen tinted lenses or overlays with reading-disabled persons. It is concluded that carefully designed and controlled studies do not currently lend support to the Irlen hypothesis. (DB)

Reading-disabled children (n=92) were classified as either scotopic or nonscotopic using the Irlen Differential Perceptual Schedule. Use of either colored or clear overlays over reading material resulted in improved reading rate, accuracy, and comprehension when scotopic children read with the preferred colored overlay filter. Nonscotopic children…