Color helps people with Irlen Syndrome, click to try:    
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Self-Tests for Irlen Symptoms

These tests will give you an indication of whether or not you respond to color or show Irlen symptoms. These are not meant to replace a full screening or diagnostic tint session.
Reading & Perception (Questionnaire) © 1990 Helen L. Irlen
Autism (Questionnaire) © Irlen 12/91, 8/95, 3/99, 7/14
Concussion (Questionnaire) © Helen Irlen 2014
Color Test (Overlays for Readers/Non-Readers)
Hidden Objects (Overlays for Non-Readers)