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According to a teenager mentioned in ‘Reading Through Colour’ (2003) by Professor Arnold Wilkins, using a coloured overlay when reading “made all the difference.” The teenager quoted his experience as “the most important moment of [his] life” and he could “see text clear as glass.” The main aim of DRT research into visual and auditory weaknesses in poor readers is to develop treatments that will help them, and to prove by properly controlled trials that they work. We have shown that simple treatments such as viewing text through blue or yellow coloured filters, musical training or eating oily fish, really can help children to learn to read.
The majority of research on this topic has found little evidence of measurable effects on reading accuracy or comprehension. For example, the American Academy of Paediatrics found little to no evidence supporting the link to visual stress in explaining the reading difficulties of people with dyslexia. But disagreement among researchers still exists over the mechanisms and theory behind the filters’ effects. And debate still rages surrounding the fundamental issue of which colour is needed to achieve optimal results. Myth versus evidence Please note the colours shown in the pictures may not be an exact representation of the colour in real life.
What is dyslexia?
The effectiveness of dyslexia glasses and lenses can vary from person to person, as dyslexia is a complex condition with individual differences. Research has demonstrated that people with dyslexia often have difficulty processing and representing the specific sounds of language. As a result, someone with dyslexia will experience difficulties in associating printed letters with relevant speech sounds, thus causing reading difficulties.
In 1999, British scientists carried out clinical trials that “found that coloured lenses could help people with visual dyslexia.” 400 children participated in the most recent study where “90% reported a significant improvement in reading, writing and comprehension skills” whilst wearing the coloured lenses. Over the 6-month assessment period, the children showed a minimum improvement rate of 45% for their reading, writing and comprehension skills. How Do Coloured Overlays for Dyslexia Work?In cerebellar patients he had shown that their unstable vision was due to damage to large nerve cells in the brain, known as visual magnocells, that are specialised for detecting movement. When these magnocells are not working properly the servo system that keeps your eyes fixed on a letter fails, and so the letters appear to move around. So with Sue he set up a clinic to investigate whether children's visual reading problems were due to the same cause. Dyslexia is a neurological condition affecting between 7-10% of the population. It is a learning disability which has an impact on a person’s ability to learn how to read and write (despite adequate intelligence and educational opportunities).
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