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Vision And Dyslexia

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Many people are under the impression that dyslexia is an issue with the person's visual system. The truth is that Dyslexia is a difficulty processing language, having nothing to do with vision.

According to the International Dyslexia Association: “Dyslexia is a specific learning disability that is neurobiological in origin. It is characterized by difficulties with accurate and/or fluent word recognition and by poor spelling and decoding abilities. These difficulties typically result from a deficit in the phonological component of language that is often unexpected in relation to other cognitive abilities and the provision of effective classroom instruction. Secondary consequences may include problems in reading comprehension and reduced reading experience that can impede growth of vocabulary and background knowledge.” (

However, while dyslexia is not caused by a vision problem, the symptoms are very similar. Like a person with dyslexia, a person with a developmental vision issue share common symptoms such as:

  • Spelling
  • Slow reading
  • Problems with comprehension
  • Difficulty focusing on text or close objects for long times
  • Seeing double
  • Skipping lines

Because of the overlap of symptoms, many people who think they have dyslexia actually have a vision problem that can be fixed with therapy. A developmental optometrist can assess your vision with a focus on aspects of vision that are not always focused on at an annual eye exam. If there is a visual process that requires therapy, our optometrist will discuss the options.