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Doctor insights on: Pupil Stay Dilated

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Can pupils stay dilated permanently with atropine?

Can pupils stay dilated permanently with atropine?

Usually not: The effects of Atropine usually wear off after several hours. It is unusual for pupils to be permanently dilated. However, if you have had surgery as you have indicated, that may affect the way that the pupils respond or the duration of response to atropine. ...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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How lonv will my pupils stay dilated after glaucoma test?

How lonv will my pupils stay dilated after glaucoma test?

Depends: Visual field testing doesn't require dilation. Oct can also be performed without dilation although in some patients the signal strength and accuracy of the measurements can improve with dilation. Optic nerve photography is also best performed dilated stereo photographs are preferable. Dilation can last fabout 2-10 hours depending on the drugs used and color of the iris. Blue is more sensitive. ...Read more

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How much time do my pupils stay dilated after my eye exam?

How much time do my pupils stay dilated after my eye exam?

Several hours: It really depends on the drops used at your doctors office. The standard drops used can keep pupils dilated between 4-6 hours. However, in some patients the drops can keep the pupils dilated for up to 24 hours. ...Read more

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For how long should your pupil stay dilated after going to the eye doctor?

For how long should your pupil stay dilated after going to the eye doctor?

See below: The typical dilation drops used in the office for examination last for several hours after (longer in lighter-eyed individuals). Other therapeutic dilation drops that are prescribed can last days or weeks. ...Read more

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What could be causing my 6 year old's pupils to stay dilated? He has extreme light sensitivity. Pupils eventually dilate, but very slowly.

What could be causing my 6 year old's pupils to stay dilated? He has extreme light sensitivity. Pupils eventually dilate, but very slowly.

Pupils dilated: Consider a toxic ingestion of a medication or poison. If he is acting otherwise normal then perhaps not likely, but if he had any other symptoms, such as altered mental status, vomiting, fever, etc then urgent medical attention may be warranted. A urine sample possibly could be used for testing for toxin exposure. ...Read more

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I have horners syndrome. How do they dilate pupils?

I have horners syndrome. How do they dilate pupils?

Horner's: We have meds that dilate the pupil but you have damage to the sympathetic nerve that they work on either centrally, congentially or peripherally. It is best to fix the cause if you can. ...Read more

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What could it mean if my 7 year old's pupils are always dilated?

Pupillary dilation: The pupillary dilation is likely normal but you should have a complete eye exam with a pediatric ophthalmologist. ...Read more

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I am on medicine for add and it makes my pupils really dilated. Is there any way I can be avoid this?

Contact your doctor: Medications all have potential adverse reactions, and there is likely multiple choices to handle your problems. Since you do not list your medication, it is impossible to assess how to modify dosing or select alternatives. Have a lengthy visit with your doctor and assess other choices. ...Read more

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My pupils are always dilated. People are always accusing me of being on drugs or something. Is there any simple meds to shrink them back?

Dilated pupils: Dilated pupils can be caused by medication, specifically anti depressents or anti histamines. Treatment is usually removing the cause. ...Read more

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Do your pupils dilate when you od? Not sure if I've taken too much but they're really dilated & I'm tired & feel wierd. Don't want to waste ambos time

Go to hospital now: Different drugs have different effects (on your eyes). Given your description, it's best that you get evaluated immediately so go to your closest emergency department. Have someone else drive you there or call 911. You don't want to go unconscious while driving and then injure someone else. ...Read more

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What causes dilated pupils and racing pulse?

Adrenaline surge...: Adrenaline is the principal mediator of the "fight or flight" response. This prepares your body for immediate action. Pupils dilate to increase light transmission, heart rate and blood pressure go up and blood is shunted away from other organs to the skeletal muscles. If this occurring in the absence of a stimulus, it is likely due to hypoglycemia or low blood sugar. Check for Insulin resistance. ...Read more

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What drugs cause your pupils to dilate?

What drugs cause your pupils to dilate?

Dilation: Many drugs can cause pupil dilation. Some include cocaine, amphetamines, and MDMA. Additionally, some non-illicit/ recreational medications such as anticholinergics and antidepressents can cause dilation. ...Read more

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Please help! What happens when your pupils dilate?

Dilation: Occurs because of contraction of radial muscle, (controlled by sympathetic nervous system). ...Read more

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Please answer! What would cause your pupils to not dilate?

Pupils dilate and: Constrict under control of cranial nerve 2 and 3. 2nd senses light and 3d adjusts pupil to control light input. No dilation = deficit in one or the other or a medication in the eye has poisoned muscle function. Would be very unlikely to inadvertently notice that both pupils do not dilate. Close eyes in bright room then open while friend observes. If they constrict they must have been dilated. ...Read more

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Why does your pupil dilate?

Pupil: Because a part of the autonomic nervous system (sympathetic), when stimulated, will caused two sets of muscles in your iris to change the diameter of the whole in the center (the pupil). ...Read more

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Why do the pupils dilate when taking hallucinogenic drugs?

Pupils dilate: Good question for wikipedia.

Depends on the drug as many things make them dilate but by different mechanisms. ...Read more

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What is a blue pill from korea that causes your pupils to dilate?

? Pharmacist?: Maybe a pharmacist could help you to identify this. ...Read more

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I woke up one morning and one of my pupils was dilated, is this serious?

It can be: This can be due to certain medical diseases, exposure to certain medications and to certain structural abnormalities inside the head. This needs to be evaluated by your doctor. ...Read more

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One of my pupils is dilated to almost twice the size of the other. What can cause this?

One of my pupils is dilated to almost twice the size of the other. What can cause this?

Anisocoria: Anisocoria refers to unequal pupils.
Physiologic anisocoria is very common and normal in up to 20% of people. The variation should be no more than 1mm and both eyes should react normally to light.
It can be dangerous if it is a form of horner's syndrome (e.g. Carotid dissection) or from damage to the third nerve (e.g. Aneurysmal expansion) so you should get it checked out! ...Read more

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Can you dilate or shrink your pupils without any problems even while wearing contact lens?

Can you dilate or shrink your pupils without any problems even while wearing contact lens?

Yes & no - see below: Pupil constriction and dilation in response to different levels of lightis unaffected by contact lenses. However, if pupils being pharmacologically altered for eye exam or prior to eye surgery, then conact lenses should always be removed prior to instillation of of eye medications. ...Read more

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My pupil does not dilate like others in the darkness or nighttime, it dilates very little. I have small pupil all the time comparing to others. Why?

Does it match L--R?: If you have asymmetric pupils, you should see an eye dr for exam. If your pupils match in size l-r, but are smaller than others', that may just be you. ...Read more

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My right pupil will randomly dilate for & stay that way for 24 hours. When I wake up the next day it is completely normal. Occurs about twice a month.

This is: Definitely ABNORMAL and you should start by telling your Primary Care Medical Provider who may want to refer you to an OPTHAMOLOGIST. What is INTERMITTENT now may become PERMANENT if there is an injury to the nerves in that eye....
Hope this is helpful!
Dr Z ...Read more

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Dilated pupil for 2 weeks. Why?

Unknown: Have you put any medicated drops in your eyes, or have you taken any medicines or other substances? If not, you need to talk to your doctor. ...Read more

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How much time do dilated pupils last?

Varies: On the type of drops used for dilation. If this was an in office dilation for an exam, the standard drops dilate the pupils anywhere between 4-8 hours. However sometimes it can last up to 24 hours. ...Read more

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How long should tetracaine dilate pupil?

It should not dilate: Tetracaine is an anesthetic for the eye and does not dilate the pupil. Dilated pupils generally last 4 hours when pharmacologically dilated. ...Read more

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How long will tetracaine dilate a pupil?

How long will tetracaine dilate a pupil?

It should not dilate: Tetracaine is an ester local anesthetic that is commonly used to numb the eye. Tetracaine usually does not cause pupillary dilation. Tetracaine is quickly eliminated and should not last for more than an hour. ...Read more

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