Pupil constriction: Difference between revisions

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[[File:Pupilc.jpg|thumb|right|300px]]
[[File:Pupilc.jpg|thumb|right|300px|An image example of pupil constriction.]]
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'''Pupil constriction''' (also called '''pinpoint pupils''' or '''miosis''') is the reduction of the size of a person's pupils under normal lighting conditions. Pupil constriction decreases a person's ability to see in low light conditions. This effect generally occurs on [[opioids]].
'''Pupil constriction''' (also called '''pinpoint pupils''' or '''miosis''') can be described as the reduction of the size of a person's pupils under normal lighting conditions. This typically decreases a person's ability to see in low light conditions.  
 
Pupil constriction is most commonly induced under the influence of [[dosage#common|moderate]] [[dosage|dosages]] of [[opioid]] compounds, such as [[heroin]], [[kratom]], [[tramadol]], and [[fentanyl]].
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===Psychoactive substances===
Compounds within our [[psychoactive substance index]] which may cause this effect include:
{{#ask:[[Category:Psychoactive substance]][[Effect::Pupil constriction]]|format=ul|Columns=2}}
===Experience reports===
Annectdotal reports which describe this effect with our [[experience index]] include:
{{#ask:[[Category:Experience]][[Effect::Pupil constriction]]|format=ul|Columns=2}}
===See also===
===See also===
*[[Responsible use]]
*[[Subjective effects index]]
*[[Subjective effects index]]
*[[Psychedelics#Subjective_effects|Psychedelics - Subjective effects]]
*[[Psychedelics#Subjective_effects|Psychedelics - Subjective effects]]
*[[Dissociatives#Subjective_effects|Dissociatives - Subjective effects]]
*[[Dissociatives#Subjective_effects|Dissociatives - Subjective effects]]
*[[Deliriants#Subjective_effects|Deliriants - Subjective effects]]
*[[Deliriants#Subjective_effects|Deliriants - Subjective effects]]
*[[Physical effects: Pupil dilation|Pupil dilation]]
*[[Pupil dilation|Pupil dilation]]
[[category:Physical changes]]
===External links===
* [https://en.wikipedia.org/wiki/Miosis Miosis (Wikipedia)]
[[category:Physical]][[category:Alterations]][[category:effect]]