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A 34-year-old member asked:

how is it that someone's pupils might be blown?

1 doctor answer1 doctor weighed in
Dr. Richard Bensinger
Ophthalmology 52 years experience
Several things: The most common reason for enlarged pupils is they made a recent trip to an eye doctor who used pupilary dilators. Much less common is exposure to certain drugs which can do this which includes purposeful treatment with dilators for certain conditions like uveitis. Pupils are also blown in brain hemorrhage and obstructions especially after head trauma.

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Similar questions

A 38-year-old member asked:

Is there a way to undo the dilation to my pupils after speed?

1 doctor answer1 doctor weighed in
Dr. Ankush Bansal
Internal Medicine 17 years experience
Nope: The easy answer is don't do speed! however, in answer to your question, just wait for it to clear out of your blood.
A 43-year-old member asked:

Why does the ophthalmologist dilate the pupil?

1 doctor answer3 doctors weighed in
Dr. Brandon Macy
Podiatry 41 years experience
To get a better...: Look at the retina without the pupils constricting when exposed to the light, at least that how it was once explained to me.
Dr. Michael Ham
Dr. Michael Ham commented
Ophthalmology 27 years experience
Dilation makes the pupil larger and remain larger in light. This enables the eye doctor to look in the back/inside the eye through the large opening (dilated pupil) instead of a small opening. enables better and more complete exam.
Dec 22, 2013
A 43-year-old member asked:

Are pupils dilation a sign that someone likes you?

1 doctor answer1 doctor weighed in
Dr. William Goldstein
Ophthalmology 31 years experience
Maybe: Pupil size changes with emotion in most people. Fear and excitement can both cause dilation though, so you may not know which it is!
A 34-year-old female asked:

My pupils are constantly pulsating in light that is not changing. What could cause this?

2 doctor answers7 doctors weighed in
Dr. Robert Kwok
Pediatrics 33 years experience
Eye doctor can check: An ophthalmologist (an md eye doctor) can check the eyes to see if the iris is behaving oddly, either dilating-contracting-dilating-contracting without changes in the surrounding light; or pulsating as if the pupil were moving in sync with the person's heartbeat. The doctor can do a thorough eye exam to make sure there is not a problem in the eye, around the eye, or behind the eyeball.
A 44-year-old member asked:

Please explain why might someone's pupils be blown?

1 doctor answer2 doctors weighed in
Dr. Elizabeth Wallen
Pediatrics 35 years experience
Blown pupils : Are dilated pupils. This can occur for a variety of reasons. Drugs, both legal and illegal, poisonings, and in conditions affecting the brain like head trauma, stroke, tumor or bleeding.

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Last updated Jun 21, 2013

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