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- Q7260673 subject Q7035349.
- Q7260673 subject Q7166466.
- Q7260673 abstract "Pupillary response is a physiological response that varies the size of the pupil, via the optic and oculomotor cranial nerve. A constriction response (miosis), is the narrowing the pupil, or which may be caused by scleral buckles or drugs such as opiates/opiods or anti hypertension medications. A dilation response (mydriasis), is the widening the pupil and may be caused by anticholinergic agents or drugs such as MDMA, cocaine and amphetamines. Dilation of the pupil occurs when the smooth cells of the radial muscle, controlled by the sympathetic nervous system (SNS), contract. Constriction of the pupil occurs when the circular muscle, controlled by the parasympathetic nervous system (PNS), contracts. The responses can have a variety of causes, from an involuntary reflex reaction to exposure or inexposure to light — in low light conditions a dilated pupil lets more light into the eye — or it may indicate interest in the subject of attention, or sexual stimulation. The pupils contract immediately before REM sleep begins. A pupillary response can be intentionally conditioned as a Pavlovian response to some stimuli.The latency of pupillary response (the time in which it takes to occur) increases with age. Use of central nervous system stimulant drugs and some hallucinogenic drugs can cause dilation of the pupil.In ophthalmology, intensive studies of pupillary response are conducted via videopupillometry.Anisocoria is the condition of one pupil being more dilated than the other.".
- Q7260673 thumbnail Eye_dilate.gif?width=300.
- Q7260673 wikiPageWikiLink Q1073818.
- Q7260673 wikiPageWikiLink Q1128283.
- Q7260673 wikiPageWikiLink Q161437.
- Q7260673 wikiPageWikiLink Q1640582.
- Q7260673 wikiPageWikiLink Q173318.
- Q7260673 wikiPageWikiLink Q194270.
- Q7260673 wikiPageWikiLink Q211036.
- Q7260673 wikiPageWikiLink Q211402.
- Q7260673 wikiPageWikiLink Q212737.
- Q7260673 wikiPageWikiLink Q215127.
- Q7260673 wikiPageWikiLink Q2306768.
- Q7260673 wikiPageWikiLink Q3075327.
- Q7260673 wikiPageWikiLink Q47273.
- Q7260673 wikiPageWikiLink Q4811856.
- Q7260673 wikiPageWikiLink Q521.
- Q7260673 wikiPageWikiLink Q521953.
- Q7260673 wikiPageWikiLink Q596899.
- Q7260673 wikiPageWikiLink Q638147.
- Q7260673 wikiPageWikiLink Q7035349.
- Q7260673 wikiPageWikiLink Q7166466.
- Q7260673 wikiPageWikiLink Q7260672.
- Q7260673 wikiPageWikiLink Q7260674.
- Q7260673 wikiPageWikiLink Q7260675.
- Q7260673 comment "Pupillary response is a physiological response that varies the size of the pupil, via the optic and oculomotor cranial nerve. A constriction response (miosis), is the narrowing the pupil, or which may be caused by scleral buckles or drugs such as opiates/opiods or anti hypertension medications. A dilation response (mydriasis), is the widening the pupil and may be caused by anticholinergic agents or drugs such as MDMA, cocaine and amphetamines.".
- Q7260673 label "Pupillary response".
- Q7260673 depiction Eye_dilate.gif.