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New information regarding Dyslexia


Scientists from France are looking into a cause for dyslexia. They believe that in patients with dyslexia, there is a difference between the arrangements of the specific photoreceptors of the retina (the cones). The cone areas in the right and left eyes of patients with dyslexia are both rounded. Neither eye is dominant. In patients without dyslexia, one eye has an uneven cone area. When the areas are uneven, the patient has a dominant eye and the eyes record a slightly different version of the same image and send it to the brain. The second image is erased by the brain and it not confusing. When there is no asymmetry, there can be no dominant eye and the brain has to successfully rely on the two different versions (mirror images). The scientists feel they can use an LED lamp with invisible flashing to “cancel” one of the images and decrease confusion and aid in learning of these patients.

According to the International Dyslexia Association, dyslexia is a “language-based learning disability that refers to a cluster of symptoms that result in people having difficulties with specific language skills, particularly reading.” A substantial number of individuals with dyslexia have visual problems. Some patients may have a visual problem that mimics dyslexia and the symptoms resolve when the visual issue is resolved. Sorting out the underlying issue can be done with testing. Please call our office if you have concerns with your child’s learning.