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A member asked:
What does it mean when your eyes steadily dialate without changing lighting?
3 doctors weighed in across 2 answers
Multiple causes: You could have inadvertantly placed a substance in your eye that causes pupil dilation or you could have a problem with the iris sphincter muscle (adie's pupil). Most commonly, it is a substance placed in the eye.
Answered 7/20/2012
5.9k views
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Excitement: Excitement causes adrenaline release, and adrenaline causes pupillary dilation.
Answered 9/10/2013
5.4k views
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Related Questions
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Does it hurt when you get your eyes get dialated?
4 doctors weighed in across 2 answers
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How long does it take to go back to normal after eyes get dialated?
3 doctors weighed in across 2 answers
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