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Solan, Harold A. – Journal of Learning Disabilities, 1990
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)
Descriptors: Color, Elementary Secondary Education, Eyes, Intervention

O'Connor, Peter D.; And Others – Journal of Learning Disabilities, 1990
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…
Descriptors: Color, Elementary Secondary Education, Eyes, Intervention

Robinson, Gregory L. W.; Conway, Robert N. F. – Journal of Learning Disabilities, 1990
The study examined the effectiveness of the use of nonoptical tinted (Irlen) lenses with 44 children (ages 9-16) with reading disabilities. Evaluation after 6 and 12 months indicated a significant improvement in attitude to school and to basic academic skills. Reading comprehension and accuracy, but not rate, were also significantly improved.…
Descriptors: Attitude Change, Color, Elementary Secondary Education, Eyes