Doctor insights on:
How Long Should Eyes Be Dilated After Eye Examination
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
What are the side effects associated with dilated fundus examination..pupil dilation test..?? Does dis test harm eyes or pupils in anyway in future? ?
No harm ...: Your eyes may be dilated for 4-5 hours after the exam, but there is no damage done as a result of dilating the pupils ...Read more
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
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?
Atropine drops: Can last for one werk.Get a more detailed answer ›
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 moreSee 2 more doctor answers
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