Are colored overlays necessary for students with dyslexia?
Dyslexia is a language-based disorder that can interfere with the reading of single words and spelling. Because dyslexia is a language-based disorder, the best treatment is the explicit and systematic instruction of the reliable reading and spelling patterns of the language. Dyslexia cannot be cured. Students with dyslexia can learn to read although it may take them longer to learn. Spelling may always be problematic. Colored overlays will not get at the cause of dyslexia, a deficit in phonological processing. We know of no empirical evidence that supports the use of colored overlays. If students find them helpful, they can use them: BUT colored overlays are not a substitute for the explicit, systematic instruction that is supported by research.
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