"I am 26 years old now and was born with one pupil bigger than the other. I suppose this is something I will just have to get used to. Sometimes, the size differences vary and the other pupil becomes larger. There is no change to my vision and my specialist said that my eyes were working just fine. I have recently noticed that my right pupil is considerably larger than my left pupil. Other People's Experiences on Unequal Pupil Sizes Some of the tests include: blood tests, head MRI scan, x-rays of the neck, CT scan of the head, tonometry (to diagnose glaucoma) and EEG. You doctor will get a full history and may order some tests to diagnose the exact cause of the anisocoria. Vision disturbances like double, blurred vision or loss of vision.Seek medical attention when you have one pupil bigger than the other together with the following symptoms: Newly developed anisocoria can be associated with a serious medical condition. The unequal pupil size may be accompanied by low blood pressure, irregular heartbeat, a loss of normal reflexes and certain parts of the skin that are no longer able to sweat normally. There is no serious damage to the eye and this condition is treated with diet and lifestyle changes. Mostly women between the ages of 20 and 40 are affected. Adie syndrome is caused when a viral infection causes nerve damage in the eye.An example in this category would be Horner syndrome which occurs when there is an interruption in nerve impulses in the eye.Examples of disorders that can affect the nerves of the eyes are available below: People with these disorders usually present with other symptoms like droopy eye. The pathways that carry electrical impulses from the brain to the eye structures are sometimes damaged. Infections include meningitis and encephalitis where the brain membranes are inflamed. Problems with Eye NervesÄisorders include stroke, brain hemorrhage, brain tumors and infections can affect the nerves of the eye. The latter condition is often accompanied by severe eye pain. Conditions such as glaucoma or iris inflammation can also result in uneven pupil size. medicines used in inhalers for asthma, some insecticides, motion sickness medicines. Sometimes chemicals get into the eye by accident and cause one pupil to be bigger than the other, e.g. There are some eye drops prescribed to treat certain eye conditions that cause the pupil to dilate or constrict. The uneven pupil size can also be due to the side effects of a medication. Eye DisordersÄ®ye disorders such as injuries to the eye or even birth defects can make you have one pupil bigger than the other. Physiological anisocoria is usually only picked up when examined by a doctor and when it is associated with no other underlying medical condition. When other members of the family have the same condition, the anisocoria is genetic. The variation in pupil size is roughly less than a 1 mm. There is no accompanying symptom and both pupils respond normally to varying light conditions. The individual is born with the condition that is life-long. It is usually considered as a normal condition. The abnormality of the larger pupil can be easily seen in bright light, when it cannot constrict in response to the bright light. More commonly, it is the larger pupil that cannot constrict normally. In the latter case, the smaller pupil has an impaired ability to dilate normally. The abnormal pupil can be either the larger or the smaller one. The medical term for this problem is anisocoria. Why Do I Have One Pupil Bigger than the Other? Usually both pupils are of equal size but some people have unequal pupils. The pupil is the black opening at center of the eye that constricts or dilates in response to the amount of light the eye is exposed to. The structure of the eye is comprised of many different elements. Eyes are responsible for so many non-verbal cues that we give out daily when communicating with others. The eyes of a person are the windows to their soul.
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