“Teachers should be made aware of visual stress symptoms and the potential difference coloured lights, overlays and lenses could make to a learners perception.” PerceptionAutismLensesLearnersDyslexiaColoured LightsIrlenScotopic SensitivityVisual StressOverlays Book:Colour Coding for Learners with Autism: A Resource Book for Creating Meaning through Colour at Home and School Source: Colour Coding for Learners with Autism: A Resource Book for Creating Meaning through Colour at Home and School