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Dilated pupils
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Dilated pupils

My wife's pupils are uneven and I am worried, among neuro symptoms and sinus tachycardia which is worsening on a weekly-daily basis she also has one pupil larger than the other.  One day it will be the left pupil and the next day it will be the right.  She has seen her doctor and he was not concerned because they both react to light normally.

What is it a sign of though?  She does get visual disturbances too, floaters and spots in front of her eyes.  And of course, the worsening tachycardia.
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Avatar_dr_m_tn
If your wife has "neuro" symptoms and dilating unequal pupils she needs to see a neurologist and an ophthalmologist with an interest in neuro-ophthalmology. When you schedule the appointment with the ophthalmologist, ask that they schedule a "visual field" at the same time. When you have your appointment ask the technicians to have the ophthalmologist look at your wife's pupils before any drops are put in the eye (glaucoma and dilation drops).

Her tachycardia should be evaluated by an internist or cardiologist.

I would schedule these as soon as possible, it's important.


JCH MD
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Avatar_n_tn
She has seen her doctor and is on a waiting list to see a neuro - we're in the UK.  Her doctor said both pupils reacted normally to light which is a good thing.  She has had the dilation before but only for a day or so a couple of years back.  She claimed she had a migraine and afterwards one pupil was bigger than the other then the following day they were back to normal.  But this has been on-going for three weeks.  

She has had very little in the way of headaches and she saw an opthalmologist in January re spots in front of her eyes.  She was told her eyes were fine.

She has been under a lot of stress and the doctor thinks her tachy is stress related, though considering that without the beta blockers it is there all of the time worries me.

She has seen a cardio and is WAITING for her appt for an echo and holter.
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Avatar_dr_m_tn
Migraines, both classsic (nausea, vomiting, sensitivity to light, severe headache) and ophthalmic or eye migrain (mostly eye symptoms) can cause a dilated pupil during or after the attack.   The fact that the dilation problem was present a couple of years ago and nothing ominous developed is a good sign and would tend to make it more likely that the cause is not serious. Do proceed with the planned work-up to look for unusual but serious problems.

Generally stress does not cause prolonged tachycardia, certainly not to the point where beta blockers are needed. If it did most of the world would have tachycardia and be on beta blockers as the world and living is stressfull.

A conditon to keep in mind that might relate the two would be hyperthyroidism.

Good look.

JCH MD
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