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It depends on what was used to dilate the pupils. An eye doctor often adds drops to neutralize the effects after an exam. I usually rinse my eyes with cool water soon after an exam, which seems to help. It takes several hours for the pupils to go back to normal, though.

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Does weed make your pupils dilate?

Yes, cannabis can cause pupil dilation as it alters the function of the sympathetic nervous system, which controls pupil size. This effect is temporary and will typically return to normal once the effects of cannabis wear off.


My pupil won't constrict 24 hours after it was dilated with an Eye examination?

Depending on the drop that was used, this can be entirely normal. For most people, a standard dilation drop will wear off after about 4-6 hours. (ie- 1% tropicamide) Some people have been known to stay dilated up to 48 hours. If a stronger drop (ie-1% cyclopentolate) was used, it can last even longer. It's really nothing to be concerned about unless you are experiencing reduced vision and eye pain or nausea with the dilation. Contact your eye care professional for advice if you are still concerned.


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Why does the pupil get smaller when a bright light is shone in the eye?

Our pupils adjust to absorb enough light to see, but not so much that it damages our eyes. So when a bright light is shined in the eye, the pupil closes so that the eye isn't damaged. That's why doctors make you wear sunglasses after they dilate your eyes.

Related Questions

Is atropine dilation of the puil permanent after discontinuance of atropine?

No, the dilation of the pupil caused by atropine is not permanent. Atropine blocks the action of acetylcholine on the iris sphincter muscle, leading to dilation (mydriasis). Once atropine is discontinued, the effects typically wear off within several days as the drug is metabolized and eliminated from the body, allowing normal pupil function to return.


Does weed make your pupils dilate?

Yes, cannabis can cause pupil dilation as it alters the function of the sympathetic nervous system, which controls pupil size. This effect is temporary and will typically return to normal once the effects of cannabis wear off.


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Are sterile gloves used for esophageal dilation?

Yes. The physician doing the procedure to dilate the esophagus must wear sterile gloves.


My pupil won't constrict 24 hours after it was dilated with an Eye examination?

Depending on the drop that was used, this can be entirely normal. For most people, a standard dilation drop will wear off after about 4-6 hours. (ie- 1% tropicamide) Some people have been known to stay dilated up to 48 hours. If a stronger drop (ie-1% cyclopentolate) was used, it can last even longer. It's really nothing to be concerned about unless you are experiencing reduced vision and eye pain or nausea with the dilation. Contact your eye care professional for advice if you are still concerned.


Can you wear contacts during or after a pupil dilation eye exam?

I would bring your regular glasses and sun glasses.AnswerNo, but you won't be able to see for a while, anyway. AnswerI just got back from an eye exam. The optometrist told me to wear my contacts, but throw them away when I take them out for the night, and put on a new pair in the morning. He said sometimes the drops could contaminate the lenses and re-dilate my eyes in the morning. I'm nearsighted, not sure if it's different for people that are farsighted.