Anisocoria (Different Size Pupils in Children)

Anisocoria Spokane Eye ClinicUnequal Size Pupils

"Anisocoria" is the medical term for unequal pupil sizes. In a few people, this could be just normal for them and not of any concern, though in these cases the difference in size is usually relatively small. Other possible causes of anisocoria in children include birth trauma to the neck or medications that can dilate the pupils.

The most pressing concern in young children is a type of cancer called Neuroblastoma that can happen along the spinal cord in the neck and affect one of the nerves that go up to the face and helps control pupil size. For this reason, unequal pupil sizes should prompt a complete eye exam. Further testing may be needed if there are definite signs of concern.

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