While it can be a natural occurrence, affecting about 20 percent of people, it can also signal a nerve problem or infection. AnisocoriaĪnisocoria is a condition in which one pupil is wider than other.
In some cases, one pupil may be bigger and the other smaller (asymmetrical). One symptom is bigger-than-normal pupils. Health conditions, injuries, and diseases ConcussionĪ concussion is a brain injury that results from the brain smacking against the hard skull during a fall, a hit to the head, or a fast impact involving the whole body.
