Irlen Lenses: What the Evidence Says

Helen Irlen discovered the Irlen Syndrome, also known as Scotopic Sensitivity. How common it is in autism has not been established, and pediatric and ophthalmology bodies have found no scientific evidence that colored lenses treat reading or learning difficulties. Irlen lenses are tinted lenses sold to reduce what the Irlen method calls perceptual distortions. Your child may use Irlen lenses or filters to reduce perceptual difficulties and sensitivity to colors, light, and patterns.

A child with autism may have many sensory problems. One area of sensitivity can affect other areas.

Determining if your child has visual perception difficulties isn’t always easy. You and other family members might notice that your child is having difficulty with visual perception, but only if you are watching carefully for it.

Perceptual difficulties sometimes run in families. You and your family members should list any problems that you have been experiencing. This may be difficult as you or your family members may not even be aware that a sensory problem exists.

The Irlen method uses its own screening to choose a lens color; this screening is not a medical eye examination. A special diagnostic process is used to determine the particular colors of the light spectrum that needs to be filtered.  Every child’s requirement is different so Your child will wear glasses with those colors that are appropriate for him or her. Selecting the correct color for your child is very important as a wrong colored filter may cause strain and add to perceptual difficulties.

Some families report that their child is more comfortable with tinted lenses. However, there is no good scientific evidence that colored lenses or overlays improve reading, learning, coordination or social skills. If you're worried about your child's vision, start with an eye exam by a pediatric ophthalmologist or an optometrist.

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