Sources

Researched and compiled by the Irlen Wiki editorial team · First published 9 November 2026 · Revised 9 November 2026

In brief: Every fact on Irlen.wiki should trace to one of the sources below, grouped by type, with the date each was accessed.

Which Irlen Institute pages were used?

Pages on irlen.com: home, about, founder, contact, method, testing, overlays, filters, FAQs, self-tests, testing centers, qualifications, science, research, bibliography and claims pages. Statements from these pages are attributed to the Institute.

• The Irlen Institute: home page. Irlen Institute (irlen.com). Retrieved 9 November 2026.
• About the Irlen Institute. Irlen Institute (irlen.com). Retrieved 9 November 2026.
• Founder Helen Irlen. Irlen Institute (irlen.com). Retrieved 9 November 2026.
• Contact. Irlen Institute (irlen.com). Retrieved 9 November 2026.
• The Irlen Method. Irlen Institute (irlen.com). Retrieved 9 November 2026.
• Testing & treatment. Irlen Institute (irlen.com). Retrieved 9 November 2026.
• Irlen colored overlays. Irlen Institute (irlen.com). Retrieved 9 November 2026.
• Irlen colored filters. Irlen Institute (irlen.com). Retrieved 9 November 2026.
• FAQs. Irlen Institute (irlen.com). Retrieved 9 November 2026.
• Irlen Syndrome self-test. Irlen Institute (irlen.com). Retrieved 9 November 2026.
• Find an Irlen testing center. Irlen Institute (irlen.com). Retrieved 9 November 2026.
• Qualifications (training workshop). Irlen Institute (irlen.com). Retrieved 9 November 2026.
• The science. Irlen Institute (irlen.com). Retrieved 9 November 2026.
• The science of color. Irlen Institute (irlen.com). Retrieved 9 November 2026.
• Published research. Irlen Institute (irlen.com). Retrieved 9 November 2026.
• Bibliography of research. Irlen Institute (irlen.com). Retrieved 9 November 2026.
• Irlen and the brain. Irlen Institute (irlen.com). Retrieved 9 November 2026.
• What do the experts say about the Irlen Method?. Irlen Institute (irlen.com). Retrieved 9 November 2026.
• What do the schools say about the Irlen Method?. Irlen Institute (irlen.com). Retrieved 9 November 2026.
• Attention deficit disorder ADD/HD. Irlen Institute (irlen.com). Retrieved 9 November 2026.
• How the Irlen Method helps the effects of head injuries. Irlen Institute (irlen.com). Retrieved 9 November 2026.
• Headaches and migraine research. Irlen Institute (irlen.com). Retrieved 9 November 2026.
• Light sensitivity, fluorescent lights and Irlen. Irlen Institute (irlen.com). Retrieved 9 November 2026.
• Corporate stewardship. Irlen Institute (irlen.com). Retrieved 9 November 2026.

Which foundation pages were used?

Pages on irlensyndrome.org: history, board, financials, awareness week and blog posts.

• Irlen Syndrome Foundation: home page. Irlen Syndrome Foundation (irlensyndrome.org). Retrieved 9 November 2026.
• History and mission. Irlen Syndrome Foundation (irlensyndrome.org). Retrieved 9 November 2026.
• Board of directors. Irlen Syndrome Foundation (irlensyndrome.org). Retrieved 9 November 2026.
• Financials. Irlen Syndrome Foundation (irlensyndrome.org). Retrieved 9 November 2026.
• Irlen Syndrome Awareness Week (ISAW). Irlen Syndrome Foundation (irlensyndrome.org). Retrieved 9 November 2026.
• Everything you need to know about the different names for Irlen Syndrome (4 March 2022). Irlen Syndrome Foundation (irlensyndrome.org). Retrieved 9 November 2026.
• New year. New name. Renewed mission (10 January 2015). Irlen Syndrome Foundation (irlensyndrome.org). Retrieved 9 November 2026.
• How to get Irlen glasses (12 March 2024). Irlen Syndrome Foundation (irlensyndrome.org). Retrieved 9 November 2026.
• How to become an Irlen diagnostician (26 March 2024). Irlen Syndrome Foundation (irlensyndrome.org). Retrieved 9 November 2026.
• Military and veterans. Irlen Syndrome Foundation (irlensyndrome.org). Retrieved 9 November 2026.
• Symptoms of Irlen in other conditions. Irlen Syndrome Foundation (irlensyndrome.org). Retrieved 9 November 2026.

Which listings were used?

The Google Business Profile for the Long Beach headquarters, for category, hours and rating.

• Irlen Institute, Google Maps listing (Business Profile). Google. Retrieved 9 November 2026.

Which public records were used?

The U.S. patent record for US 4,961,640.

• US4961640A: Method and apparatus of treatment of symptoms of the Irlen syndrome. Google Patents (U.S. Patent and Trademark Office record). Retrieved 9 November 2026.

Which scientific and professional sources were used?

Professional statements from pediatric and ophthalmology bodies, PubMed-indexed studies and reviews, EyeWiki and a physician-written review.

• Joint statement: learning disabilities, dyslexia, and vision. Pediatrics 124(2):837–44 (2009). American Academy of Pediatrics, American Academy of Ophthalmology, AAPOS and AACO, via PubMed. Retrieved 9 November 2026.
• Learning disabilities, dyslexia, and vision. Pediatrics 127(3):e818–56 (2011). Handler SM, Fierson WM et al., via PubMed. Retrieved 9 November 2026.
• Irlen colored overlays do not alleviate reading difficulties. Pediatrics 128(4):e932–8 (2011). Ritchie SJ, Della Sala S, McIntosh RD, via PubMed. Retrieved 9 November 2026.
• Irlen syndrome: systematic review and level of evidence analysis. Arq Neuropsiquiatr 77(3):194–207 (2019). Miyasaka JDS et al., via PubMed. Retrieved 9 November 2026.
• The familial incidence of symptoms of scotopic sensitivity/Irlen syndrome. Percept Mot Skills 91(3):707–24 (2000). Robinson GL, Foreman PJ, Dear KB, via PubMed. Retrieved 9 November 2026.
• No scientific evidence that Irlen Syndrome exists, say ophthalmologists (2018). Royal Australian and New Zealand College of Ophthalmologists. Retrieved 9 November 2026.
• RANZCO position statement on Irlen lenses (2025). Royal Australian and New Zealand College of Ophthalmologists. Retrieved 9 November 2026.
• Meares-Irlen syndrome/visual stress (MISViS), reviewed 25 September 2026. EyeWiki, American Academy of Ophthalmology. Retrieved 9 November 2026.
• Irlen syndrome (7 August 2013). Steven Novella, Science-Based Medicine. Retrieved 9 November 2026.

Which press sources were used?

An ABC News (Australia) report from 2019.

• Irlen syndrome, the condition medical experts say doesn’t exist, promoted to school teachers (26 June 2019). ABC News (Australia). Retrieved 9 November 2026.

Which general references were used?

Encyclopedia articles for definitions and background.

• Irlen syndrome. Wikipedia. Retrieved 9 November 2026.
• Dyslexia. Wikipedia. Retrieved 9 November 2026.
• Photophobia. Wikipedia. Retrieved 9 November 2026.
• Long Beach, California. Wikipedia. Retrieved 9 November 2026.
• Patent term in the United States. Wikipedia. Retrieved 9 November 2026.

Which social profiles were used?

The accounts linked from the Institute’s website.

• irleninternational (Instagram profile). Instagram. Retrieved 9 November 2026.
• irleninstitute (YouTube channel). YouTube. Retrieved 9 November 2026.
• @irlen_international (TikTok profile). TikTok. Retrieved 9 November 2026.
• The Irlen Institute (Facebook page). Facebook. Retrieved 9 November 2026.

Which sources were checked but not used?

• Client testimonials and success stories, which are selected by the Institute and cannot be checked.
• LinkedIn and X accounts not linked from the Institute’s website.
• Clinic listings for individual practitioners.
• Figures from the Institute’s research summaries that could not be traced to a checkable study.

Common questions