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Doctor insights on: My Pupils Are Different Sizes

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Is it okay that my pupils are different sizes?

Is it okay that my pupils are different sizes?

Depends: Some people have pupils of different sizes with no other problems. In others, it's a sign of significant injury to the central nervous system. ...Read more

Pupil (Definition)

The pupil is the opening in the iris inside of the eye though which light is focused on the retinal film at the back of the eye. The iris can open and close in response to light to vary the amount inside the eye. It is what looks red, in the ...Read more


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I have innapropriate sinus tachycardia, my pupils are different sizes is this related to this heart condition?

I have innapropriate sinus tachycardia, my pupils are different sizes is this related to this heart condition?

No: Anisocoria (different pupil sizes) can be a)normal, b)due to eye disease or c)due to very serious brain disease. Since you're on the internet writing this question, "c" has been excluded! it's not due to your heart rhythm. ...Read more

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I noticed last month my pupils were different sizes..The diff is only 1 mm maybe less, i noticed it also a few months ago ...Should i be concerned?

Anisocoria: Generally an incidentally noted pupillary defect can just be followed until we know it is stable and therefore not being caused by a sinister lesion. If this is not progressive or associated with other findings it is benign. Often known as physiologic anisocoria. ...Read more

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What are reasons why my eye pupils are different sizes?

What are reasons why my eye pupils are different sizes?

Needs eval: Unequal pupils can be from many conditions, some of which are very serious. Seek attention from an ophthalmologist. ...Read more

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Should i be concerned if my pupils are two different sizes, i noticed it about 2 years ago. Has this happend to anyone else?

Anisocoria: or unequal pupils can occur under normal circumstances in up to 20% of population. It can also be a sign of disease in the eye. A visit to an eye care professional can sort things out quickly and completely. Thanks for trusting HealthTap! ...Read more

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Is it typical for a baby's pupils to be different sizes?

Is it typical for a baby's pupils to be different sizes?

Baby's pupils: A discrepancy between pupils is called anisocoria. In a well child who has no neurological abnormality and no history of trauma it is normal and of no concern. ...Read more