Decreased accommodation during decompensation of distance exotropia

What is it about?

It used to be thought that children with intermittent divergent strabismus (squint) used their focusing mechanism (accommodation) to help control their eyes. We studied a group of children with this problem when their eyes were both squinting and controlled. What was most notable was that although they did accommodate a bit more than normal when controlled, when their eyes lost control, their accommodation dropped dramatically

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Why is it important?

We knew that when children intermittently lost control of a divergent strabismus for near they also lost their 3D vision for that period. This research has shown that the image is also going blurry at the same time. This is another reason that surgery is indicated when control of a divergent squint deteriorates for near.