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Doctor insights on: How Long Should Eyes Be Dilated After Eye Examination

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How long should eyes be dilated after eye examination?

How long should eyes be dilated after eye examination?

It depends.: Blue eyed people will stay dilated longer than brown eyed people as they have less pigment in their iris. It also depends on what type of dilating drop is utilized. Some dilating drops will wear off in less than an hour, and others can last longer than a week! ...Read more

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What compounds are found in the eye drops used to dilate your eyes in eye examinations?

What compounds are found in the eye drops used to dilate your eyes in eye examinations?

Usually: Typically, tropicamide and phenylephrine are used for adults. For kids, depending on age and ocular problem, they may use or even add a drop called cyclopentolate. ...Read more

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What is in the eye drops used to dilate your eyes in eye examinations? How do they work?

What is in the eye drops used to dilate your eyes in eye examinations? How do they work?

Anticholinergic: Dilating eye drops, commonly Tropicamide & cyclopentolate, act by blocking muscarinic receptors in the iris sphincter muscle thereby blocking cholinergic input which causes the pupil to dilate. This effect is termed Anticholinergic, and the effect that makes the pupil smaller (miotic) is termed Cholinergic. There is also an effect on accommodation which is why dilation affects your near focus. ...Read more

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Can someone tell me how long will a persons eyes stay dilated after using cocaine?

Can someone tell me how long will a persons eyes stay dilated after using cocaine?

Depends: Cocaine is metabolized rapidly. In people who are habituated to it, the dilated pupils can be followed by constricted pupils. How long also dependent on how it is taken - smoked (crack) is fastest), inhaled a bit slower. Overall, two hours is a rough measure of how long it takes for half the drug to be gone. But urine tests are positive up to 3 days after Cocaine eye drops are used for surgery. ...Read more

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Had eyes dilated for exam. Why do my pupils still stay so big for such a long time afterwards- even after my vision returns to normal?

Had eyes dilated for exam. Why do my pupils still stay so big for such a long time afterwards- even after my vision returns to normal?

Half Life: The medications used to dilate the pupils may linger in your system and the pupils can stay dilated longer even though your vision is relatively improved as your body gets accustomed to the amount of light entering with dilated pupils. ...Read more

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How long should your eyes stay dilated after an eye exam?

How long should your eyes stay dilated after an eye exam?

Usually 6-8 hours: It depends on what type of drops are used. Phenylephrine and tropicamide are probably the most commonly used at the optometrist or ophthalmologist's office and they last about 6-8 hours in the average person, although they can last a bit longer. Other drops like cyclopentolate last up to 24 hours and Atropine can last for 14 days. ...Read more

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