Hello there. My question comes on behalf of my younger brother, who recently sustained a head injury that was thought to be a concussion, though no official diagnosis was sought. About a week has passed since the incident and he has started to complain about minor headaches, a symptom that had him sent to his school nurse yesterday, who noticed a disparity in the size of his pupils as the right one was slightly larger than the left. After multiple members of our families confirmed the abnormality, we took him to a doctor who promptly tested his eyes for reactivity, among others thing, and declared him to be perfectly fine. Having worried about the kid all night, this seems like great news but not having been there to hear the doctor myself, some reinsurance would be welcomed. Is there any chance that he could have a serious problem that could feasibly go unnoticed by a professional?
Welcome to the MedHelp forum!
Unequal pupils but the difference between the two pupils being less than 2mm is physiological variation. If it is more than 2 mm then it could be due to pathologic anisocoria. This is due to an abnormality in the musculature of the iris or in the parasympathetic or sympathetic innervations to the pupil. It is also a sign of serious brain injury. Aneurysms, bleed in the brain, glaucoma, meningitis and tumora also cause unequal pupil size.
There is no harm in getting a CT scan or MRI of the brain done as your brother has persisting headaches. Take care!
Copyright 1994-2016 MedHelp International. All rights reserved.
MedHelp is a division of Aptus Health.
This site complies with the HONcode standard for trustworthy health information.
The Content on this Site is presented in a summary fashion, and is intended to be used for educational and entertainment purposes only. It is not intended to be and should not be interpreted as medical advice or a diagnosis of any health or fitness problem, condition or disease; or a recommendation for a specific test, doctor, care provider, procedure, treatment plan, product, or course of action. Med Help International, Inc. is not a medical or healthcare provider and your use of this Site does not create a doctor / patient relationship. We disclaim all responsibility for the professional qualifications and licensing of, and services provided by, any physician or other health providers posting on or otherwise referred to on this Site and/or any Third Party Site. Never disregard the medical advice of your physician or health professional, or delay in seeking such advice, because of something you read on this Site. We offer this Site AS IS and without any warranties. By using this Site you agree to the following Terms and Conditions. If you think you may have a medical emergency, call your physician or 911 immediately.