Autism Test in Children May Turn to the Eyes

One of the most frustrating aspects of autism for doctors and parents is the lack of a definitive tool for diagnosing the developmental disorder in children.

Now, researchers at the University of Missouri at Columbia report some early results that point to a potential testing method involving the pupil of the eye.

Using changes in light, the researchers compared the pupil response times of children with autism to a control group of other children.

The pupils of young people who had previously been diagnosed with autism were slower to constrict when presented with a flash of light.

The test was 92.5 percent accurate in predicting which children had autism, researchers said.

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