When Reading Do You:

  • Find words blurry or moving?
  • Lose your place?
  • Experience eye strain or fatigue?
  • Need to re-read to understand?


Welcome to the Irlen Dyslexia Clinic – Ipswich & Surrounding Districts. (NDIS Reg. 4050018380)

Servicing: Ipswich, Logan, Brisbane West, Gold Coast & Hinterland, Darling Downs, Toowoomba, South West & Far West QLD.

The Clinic specialises in assessing children and adults for the visual processing disorder, Irlen Syndrome/Scotopic Sensitivity Syndrome (SSS), also known as Visual Perceptual Dyslexia, or Visual Stress as well as providing in-depth assessments for Phonological Dyslexia.


It is not related to eyesight but instead is related to the vision system. In some people, light interferes with the brain’s ability to process visual information. This is sometimes referred to as “visual perceptual difficulties” or “visual processing difficulties”. Research tells us that around 15% of the general population (and 50% of the reading disabled population) have moderate to severe problems with print movement, and environmental distortions. (See our video). This can often be accompanied issues such as; eyestrain, focusing difficulties, light sensitivity, headaches or migraines, depth perception issues, clumsiness, inefficient reading, poor spelling, reluctance to write, behavioural problems, frustration, low self-esteem, anxiety and work avoidance.


Phonological dyslexia on the other hand is a language-based disorder. In fact, it is a misnomer that the telltale sign of dyslexia is seeing words backwards. Instead, it is an inability to connect the letters and words they see on the page with their sounds and meanings.

According to the International Dyslexia Association, “Dyslexia is a language-based learning disability. The National Institute of Child Health and Human Development states, “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.”

It is possible for someone to suffer from both dyslexia and Irlen Syndrome, and proper assessment for both disorders is recommended.

Irlen Syndrome Sample Print Distortions

What is Irlen Syndrome / SSS?

Irlen Syndrome, also known as Meares-Irlen Syndrome, Scotopic Sensitivity Syndrome (SSS) or Visual Stress, is a visual processing dysfunction which affects approximately 10 – 20% of the population, it is not an optical problem but a problem with how the brain processes visual information it receives from the printed page and environment.

Irlen Syndrome / SSS is a light sensitivity condition which cannot be tested or identified through standard psychological, educational, medical or optometric testing, but it may co-exist with optical problems.

Assessments for this brain processing dysfunction can only be carried out by certified Irlen Syndrome Diagnosticians, trained in the Irlen Method. Optometrists are unable to treat this condition.


You may like to choose an appropriate Irlen Syndrome / Scotopic Sensitivity Syndrome self-test to determine whether this condition may be contributing to you or someone you know’s perceptual difficulties.

You can complete the self-test online with the option to print once completed.

In completing the self test, If you find three or more indicators are present you should contact the Irlen Dyslexia Clinic – Ipswich & Brisbane West Centre to arrange an assessment.


People with Irlen Syndrome/SSS can have difficulty with one or more of the following:



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