10/31/2023 0 Comments Normal pupil size constrictedeye trauma, such as being hit or poked in the eye.Physical problems with the eyes that can cause the pupils to be different sizes include: Sympathomimetics, which help treat heart failure or sepsis.Pilocarpine, which is eye drops or gels that treat glaucoma.Oral pilocarpine, which treats dry mouth or damaged saliva glands due to head and neck cancer treatment, or Sjogren’s Syndrome.Anticholinergics, a class of medication for conditions including:.MedicationsĬertain medications can also cause pupils to be different sizes. It is not a life-threatening condition.Ībout 90% of cases occur in women between 20 and 40 years of age.Īlthough usually not harmful, having a tonic pupil may lead to someone becoming miotic, or chronically having a small pupil. Tonic pupil is where one pupil will appear abnormally large in light, taking a long time to constrict. little or no sweating on that side of the face.They will also have all or some of the following symptoms: People with Horner’s syndrome have one abnormally small pupil. An aneurysm causes pain and is a life-threatening condition that needs immediate attention. TNP can be due to pressure on the third nerve from an artery aneurysm. ![]() However, some cases of TNP in children are congenital, meaning they occur from birth. Other causes of TNP in children include migraine and severe infections, such as meningitis. potential loss of ability to focus on objects.abnormalities in the muscles around the eye.slight drooping of the eyelid, known as ptosis.Anyone experiencing symptoms after a head injury must see a doctor.Īside from the pupils being different sizes, other symptoms of TNP include: Third nerve palsy (TNP) can cause the pupils to be different sizes.Ĭauses of TNP include a brain hemorrhage, trauma, or aneurysm. ![]() Share on Pinterest Third nerve palsy or Horner’s syndrome may cause anisocoria.
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