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Irlen Clinic of Central Ohio

A Solution For Problems with:

  • Reading​​​, Dyslexia

  • Writing & Copying

  • Learning

  • Visual Strain & Fatigue

  • Attention & Concentration

  • Headaches & Migraine

  • Light Sensitivity

What is Irlen Syndrome?

Irlen Syndrome, also known as Meares Irlen Syndrome or Scotopic Sensitivity Syndrome, is a unique visual processing problem caused by an inefficiency in the brain's ability to process light.  This is a perceptual processing problem that occurs in the brain and is not a visual problem.  Irlen Syndrome is usually inherited, but can also be acquired as a result of head injury, concussion, or illness.  

Who Does this affect?

  • 15% of the general population, including average and gifted readers

  • 46% of individuals with reading, learning and attention difficulties  

  • 33% of individuals with ADHD, Dyslexia and Behavior problems

  • 30% of individual with Autism

  • High incidence in people who have suffered concussion, head injury

  • High incidence in people who have Lyme Disease


People with Irlen Syndrome can experience a wide range of symptoms which can include any or all of the following:

  • Light Sensitivity

  • Reading Problems

  • Attention and Concentration Problems

  • Strain and Fatigue

  • Headaches and Migraines

  • Print or Environmental Distortions

  • Problems with Depth Perception

Irlen Testing

The Irlen Method utilizes a two-part testing process to identify, assess, and address Irlen symptoms.  Both services can be provided at this Irlen Clinic.

Part 1:  An Irlen Screening will identify whether you have Irlen symptoms and determine the proper overlay color.

Part 2:  The Irlen Diagnostic Assessment is required to create your individualized, precision-tinted, Irlen Spectral Filters worn as glasses or contact lenses.

  • Immediate improvements are achieved without the need for daily or weekly sessions

  • Available in more than 45 countries

  • Used by millions of children and adults

  • Backed by professional and scientific advisory boards of leading experts in the fields of medicine, optometry, ophthalmology, neuroscience, research, education, autism and dyslexia.

  • Irlen Spectral Filters are customized for each person from an almost limitless selection of colors-determining the specific frequency you need to optimize performance.  


The Irlen Method corrects problems with the brain's visual system, eliminating over-activity in the visual cortex and surrounding brain areas.  The results:

  • Elimination of physical symptoms, including eyestrain, headaches, nausea, fatigue, anxiety/fidgetiness, and light sensitivity

  • Elimination of print and environmental distortions

  • Improved reading comprehension, flow & fluency, duration, and accuracy

  • Better attention and concentration

  • Improved performance

  • Corrected depth perception

  • Enhanced self-esteem

  • Improved health and well-being

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"...for the first time in many years since identifying a reading problem, we were able to provide the proper intervention for Gianni.  The help was so immediate for him, he was able to read 150 pages in one sitting after we left Leah's office.  (first time he had ever read for pleasure!)" - Erin R. Marysville, Ohio

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