Book an Appointment Online: The Irlen Institute International Headquarters in Long Beach, CA now offers online booking for appointments with Helen Irlen. Please visit our online calendar to learn more.
Certified Irlen Diagnosticians conduct testing to determine overlay color and also the testing to determine the color which is worn as glasses
Certified Irlen Screeners are educators who can do the first test session to determine overlay color. There are thousands of Certified Irlen Screeners in addition to those listed above. To find a Certified Irlen Screener near you, please contact the closest Irlen Diagnostician.