Miosis: Difference between revisions

	Miosis Microchapters
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	Miosis;
	Miosis of the left eye
ICD-10	H57.0
ICD-9	379.42
DiseasesDB	8243
MeSH	D015877

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Revision as of 20:49, 31 August 2012

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Synonyms and keywords:: Pupillary constriction, constricted pupil, miotis

Overview

Historical Perspective

Classifications

Pathophysiology

Causes

Differentiating Miosis from other Disorders

Epidemiology and Demographics

Risk Factors

Natural History, Complications, and Prognosis

Diagnosis

Treatment

Case Studies

Case #1

Template:Antiglaucoma preparations and miotics

bg:Миоза de:Miosis no:Miosis sk:Mióza sv:Mios

Template:WikiDoc Sources

@@ Line 20: / Line 20: @@
 {{SK}}: Pupillary constriction, constricted pupil, miotis
+==[[Miosis overview|Overview]]==
-==Overview==
+==[[Miosis historical perspective|Historical Perspective]]==
-'''Miosis''' is a medical term for constriction of the [[pupil]]. It is the opposite of [[mydriasis]]. It is seen in a variety of medical conditions, and can also be caused by certain drugs and chemicals.  Eye drops used to intentionally cause miosis are known as "miotics". Extreme miosis is commonly called "pinpoint pupils", a situation that can be caused by use of opiates.
-==Physiology of the photomotor reflex==
+==[[Miosis classification|Classifications]]==
-Visual stimuli enters the eye,and through the retinal photoceptors is converted into an electric impulse, carried through the optic nerve ([[cranial nerve]] II) to the brain, where it connects to the pretectal nucleus of the high midbrain. It bypasses the lateral geniculate nucleus and the primary visual cortex. From the pretectal nucleus neurons send axons to neurons of the [[Edinger-Westphal nucleus]] whose visceromotor axons run along both the left and right oculomotor nerves. Visceromotor nerve axons (which constitute a portion of the III [[cranial nerve]], along with the somatomotor portion derived from the Edinger-Westphal nucleus) synapse on ciliary ganglion neurons, whose [[parasympathetic]] axons innervate the constrictor muscle of the iris, producing '''[[miosis]]'''.
-[http://www.coldbacon.com/mdtruth/pics/netter/fn-oculomotor.jpg]
-==Differential diagnosis of causes of miosis==
-=== Age ===
-The likelihood of suffering miosis increases with age.
+==[[Miosis pathophysiology|Pathophysiology]]==
-=== Diseases ===
+==[[Miosis causes|Causes]]==
-* [[Horner syndrome]] (a set of abnormalities in the nervous supply of the face due to damage to the [[sympathetic nervous system]]).
-* [[Pancoast tumor]] (a [[lung cancer|tumor]] of the apical [[lung]]), due to damage to the ascending sympathetic tract that would normally cause the pupil to dilate.
-* [[Hemorrhage]] into [[pons]] ([[intracranial hemorrhage]])
-=== Drugs ===
+==[[Miosis differential diagnosis|Differentiating Miosis from other Disorders]]==
-* [[Opioid]]s such as [[tramadol]], [[codeine]], [[morphine]], [[heroin]] and [[methadone]]
-* [[Antipsychotics]], including [[haloperidol]], [[thorazine]], [[olanzapine]], [[quetiapine]] and others
-* [[Cholinergic]] agents such as those used to treat [[Alzheimer's disease]] and [[nerve gas]]es; cholinergic drugs such as [[carbachol]] (Miostat) and [[neostigmine]]
-* Some cancer [[chemotherapy]] drugs, including [[camptothecin]] derivatives
-* [[Mirtazapine]], a [[noradrenergic and specific serotonergic antidepressant]] ([[NaSSA]])
-* [[Trazodone]]
-* Some [[MAO_inhibitor|MAO Inhibitors]].
-* In some rare cases, when exposed to [[mustard gas]].
-===Miotics===
+==[[Miosis epidemiology and demographics|Epidemiology and Demographics]]==
-A '''miotic''' substance causes the constriction of the [[pupil]] of the eye (or [[miosis]]). It is the opposite of a [[Mydriatic]] substance, which causes [[dilation]] of the pupil.
+==[[Miosis risk factors|Risk Factors]]==
+==[[Miosis natural history, complications and prognosis|Natural History, Complications, and Prognosis]]==
+==Diagnosis==
+[[Miosis history and symptoms|History and Symptoms]] | [[Miosis physical examination|Physical Examination]] | [[Miosis laboratory findings|Laboratory Findings]] | [[Miosis chest x ray|X Rays]] | [[Miosis CT|CT]] | [[Miosis MRI|MRI]] | [[Miosis other imaging findings|Other Imaging Findings]] | [[Miosis other diagnostic studies|Other Diagnostic Studies]]
+==Treatment==
+[[Miosis medical therapy|Medical Therapy]] | [[Miosis surgery|Surgical]] | [[Miosis primary prevention|Primary Prevention]]  | [[Miosis secondary prevention|Secondary Prevention]] | [[Miosis cost-effectiveness of therapy|Cost-Effectiveness of Therapy]] | [[Miosis future or investigational therapies|Future or Investigational Therapies]]
+==Case Studies==
+[[Miosis case study one|Case #1]]
-==External links==
-* [http://www.fpnotebook.com/EYE35.htm FP Notebook]
-* {{GPnotebook|-1254817782}}
 {{Antiglaucoma preparations and miotics}}


Miosis
Miosis of the left eye
ICD-10	H57.0
ICD-9	379.42
DiseasesDB	8243
MeSH	D015877

Miosis: Difference between revisions

Revision as of 20:49, 31 August 2012

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