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50% of people with dyslexia have Irlen Syndrome.(Whiting, 1985, Robinson & Miles, 1987)

74% of low scoring readers and 15% of high scoring readers have Irlen Syndrome
(Miller, 1984 (The New England Journal of Medicine, Vol. 317, No.27, Dec., 1987) 


93% of a group of 465 people wearing Irlen Lenses reported a definite improvement in reading fluency, concentration and comprehension wearing Irlen Filters for a 12-month period.

(Whiting and Robinson, 1988)

The same group followed up after six years continued to report that these same benefits were maintained, refuting the possibility of a placebo effect.

(Whiting, Robinson, Parrot 1994) (Australian Journal of Remedial Education).

Where Have Articles Been Published?

Studies on the Irlen Method have been published in numerous well-respected academic and medical journals,including but not limited to those below.

  • The Australian Journal of Remedial Education
  • Journal of Correctional Education
  • Vision Research
  • Journal of Behavioral Optometry
  • Education
  • Neuropsychology
  • Bulletin for Learning Disabilities
  • The Australian Journal of Psychology
  • Journal of Research in Reading
  • The Journal of the American Optometric Association
  • The Journal of Learning Disabilities
  • The Australian Journal of Special Education
  • Clinical and Experimental Optometry
  • Ophthalmological and Physiological Optics
  • Perceptual and Motor Skills
  • The Australian Journal of Learning Disabilities
  • Behavioral Optometry
  • Optometry and Vision Science

A survey of 136 employed people with Irlen Filters showed a significant change in :

amount of work completed 92%

absentee factors 91%

productivity 94%

greater concentration 91%

quality of work 85%

job satisfaction 79%

speed of work 82%

Copytright C by Perceptrual Development Corporqation / Helen Irlen