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Research Studies


Eye Teaming is critical to reading ability.

Published by Dr. Quaid and his team, this in depth publication shows how several measures of eye teaming function are critically linked to reading ability using a Canadian specific group of 100 children with reading based learning disabilities. This paper clearly shows that proper eye teaming skills are vital for reading ability. This research represents 3 years of Dr. Quaid’s research after his PhD and post-doctorate and is a fine example of how eye teaming skills and reading are very much related.

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2 1If you have eye teaming issues, you have a 3x higher chance of being diagnosed with ADHD.

This study published by MDs in the USA showed that if you have eye teaming issues, you have a 3x higher chance of being diagnosed with ADHD. 5 out of the 9 DSM symptoms required to diagnose ADHD are identical in eye teaming problems. Using a large sample size of 266 children, this paper highlights the importance of ruling out binocular vision dysfunction before assuming a child has ADD / ADHD.

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3 1

Study showing the in office vision therapy is highly effective in treating binocular vision dysfunction.

The Convergence Insufficiency Treatment Trial (CITT) is a study co-authored by both optometry and ophthalmology showing that in-office vision therapy re-enforced by home based therapy is highly effective in the treatment of binocular vision dysfunction.

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4 11The added cost to families, society and the heath care system of unaddressed Learning Disabilities.

Prepared by the Learning Disability Association of Canada this document outlines the added costs to families, society and the healthcare system, of not addressing learning disability.

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8 1Parents notice improvements in academics by engaging in Vision Therapy.

This paper shows that parents reported a reduction of concern associated with reading and school work.

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Concussion in athletes: There is a link between concussion and binocular vision dysfunction.

This study shows that if a patient fails binocular vision screening baseline tests that the likelihood that they have suffered a prior concussion is significantly higher.

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Statement to Allied Health ProfessionalsInformation for Health Care and Other Allied Professionals.

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Over minusing ADHD Symptoms 1

Over corrected myopia can produce ADHD-like symptoms.

This research shows that if you over-correct a patient by -2.00DS it produces similar symptoms to those required to diagnose ADHD.

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Vision Therapy effective at improving reading ability in traumatic brain injury / concussion

Research published in USA shows that vision therapy on the focussing system shows clear gains in reading ability post-therapy.

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