anisocoria
This is when the pupils are of unequal size. Many people have slightly different sized pupils and this is considered normal. Large differences between the eye is not normal, however. See dilated pupil for more information.
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This is when the pupils are of unequal size. Many people have slightly different sized pupils and this is considered normal. Large differences between the eye is not normal, however. See dilated pupil for more information.
Physiological anisocoria is when the pupils are of different sizes, but this difference is consistant in both light and dark environments. Up to 1.5 to 2 mm of difference is common. This is rarely a problem or sign of anything wrong.
That being said, there are a couple of things that can cause a change in pupil size:
All new pupil abnormalities need to be evaluated by a doctor.