Mechanical anisocoria: Difference between revisions
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{{Infobox medical condition | |||
| name = Mechanical anisocoria | |||
| image = [[File:Iris_Dilator_Muscle_012909.jpg|left|thumb|Iris dilator muscle]] | |||
| caption = The iris dilator muscle, which can be affected in mechanical anisocoria | |||
| field = [[Ophthalmology]] | |||
| symptoms = Unequal [[pupil]] sizes | |||
| complications = Potential [[vision]] issues | |||
| onset = Can occur at any age | |||
| duration = Varies depending on cause | |||
| causes = [[Trauma]], [[surgery]], [[inflammation]], [[glaucoma]], [[tumor]] | |||
| risks = Eye injury, eye surgery | |||
| diagnosis = [[Clinical examination]], [[pupil light reflex]] test | |||
| differential = [[Physiological anisocoria]], [[Horner's syndrome]], [[Adie syndrome]] | |||
| treatment = Depends on underlying cause | |||
| prognosis = Varies; often benign | |||
| frequency = Common | |||
}} | |||
'''Mechanical Anisocoria''' is a medical condition characterized by unequal pupil sizes. It is a subtype of [[Anisocoria]], which is a condition where the two pupils of an individual's eyes are of unequal sizes. Mechanical Anisocoria is specifically caused by physical damage or disruption to the muscles of the iris or the nerves that control these muscles. | '''Mechanical Anisocoria''' is a medical condition characterized by unequal pupil sizes. It is a subtype of [[Anisocoria]], which is a condition where the two pupils of an individual's eyes are of unequal sizes. Mechanical Anisocoria is specifically caused by physical damage or disruption to the muscles of the iris or the nerves that control these muscles. | ||
==Causes== | ==Causes== | ||
Mechanical Anisocoria can be caused by a variety of factors, including: | Mechanical Anisocoria can be caused by a variety of factors, including: | ||
* [[Trauma]] to the eye, such as a blunt force injury or penetrating injury | * [[Trauma]] to the eye, such as a blunt force injury or penetrating injury | ||
* Surgical complications, particularly from [[cataract surgery]] or [[glaucoma surgery]] | * Surgical complications, particularly from [[cataract surgery]] or [[glaucoma surgery]] | ||
* [[Tumors]] or [[neoplasms]] that physically disrupt the iris or its controlling nerves | * [[Tumors]] or [[neoplasms]] that physically disrupt the iris or its controlling nerves | ||
* [[Congenital disorders]], such as [[Axenfeld-Rieger syndrome]], that affect the development of the iris | * [[Congenital disorders]], such as [[Axenfeld-Rieger syndrome]], that affect the development of the iris | ||
==Symptoms== | ==Symptoms== | ||
The primary symptom of Mechanical Anisocoria is a visible difference in pupil size between the two eyes. This difference may be more pronounced in different lighting conditions. Other symptoms can include: | The primary symptom of Mechanical Anisocoria is a visible difference in pupil size between the two eyes. This difference may be more pronounced in different lighting conditions. Other symptoms can include: | ||
* [[Blurred vision]] | * [[Blurred vision]] | ||
* [[Double vision]] | * [[Double vision]] | ||
* [[Headache]] | * [[Headache]] | ||
* [[Eye pain]] | * [[Eye pain]] | ||
==Diagnosis== | ==Diagnosis== | ||
Diagnosis of Mechanical Anisocoria typically involves a thorough eye examination, including: | Diagnosis of Mechanical Anisocoria typically involves a thorough eye examination, including: | ||
* [[Slit lamp examination]] | * [[Slit lamp examination]] | ||
* [[Pupil dilation]] | * [[Pupil dilation]] | ||
* [[Visual acuity test]] | * [[Visual acuity test]] | ||
* [[Ophthalmoscopy]] | * [[Ophthalmoscopy]] | ||
==Treatment== | ==Treatment== | ||
Treatment for Mechanical Anisocoria depends on the underlying cause. In some cases, no treatment may be necessary. In other cases, treatment options can include: | Treatment for Mechanical Anisocoria depends on the underlying cause. In some cases, no treatment may be necessary. In other cases, treatment options can include: | ||
* [[Medication]] | * [[Medication]] | ||
* [[Surgery]] | * [[Surgery]] | ||
* [[Eye patching]] | * [[Eye patching]] | ||
* [[Physical therapy]] | * [[Physical therapy]] | ||
==See also== | ==See also== | ||
* [[Anisocoria]] | * [[Anisocoria]] | ||
| Line 38: | Line 47: | ||
* [[Adie syndrome]] | * [[Adie syndrome]] | ||
* [[Third nerve palsy]] | * [[Third nerve palsy]] | ||
[[Category:Eye diseases]] | [[Category:Eye diseases]] | ||
[[Category:Symptoms and signs: Nervous and musculoskeletal systems]] | [[Category:Symptoms and signs: Nervous and musculoskeletal systems]] | ||
{{stub}} | {{stub}} | ||
Latest revision as of 21:38, 6 April 2025
Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
Founder, WikiMD Wellnesspedia &
W8MD medical weight loss NYC and sleep center NYC
| Mechanical anisocoria | |
|---|---|
 | |
| Synonyms | N/A |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Unequal pupil sizes |
| Complications | Potential vision issues |
| Onset | Can occur at any age |
| Duration | Varies depending on cause |
| Types | N/A |
| Causes | Trauma, surgery, inflammation, glaucoma, tumor |
| Risks | Eye injury, eye surgery |
| Diagnosis | Clinical examination, pupil light reflex test |
| Differential diagnosis | Physiological anisocoria, Horner's syndrome, Adie syndrome |
| Prevention | N/A |
| Treatment | Depends on underlying cause |
| Medication | N/A |
| Prognosis | Varies; often benign |
| Frequency | Common |
| Deaths | N/A |
Mechanical Anisocoria is a medical condition characterized by unequal pupil sizes. It is a subtype of Anisocoria, which is a condition where the two pupils of an individual's eyes are of unequal sizes. Mechanical Anisocoria is specifically caused by physical damage or disruption to the muscles of the iris or the nerves that control these muscles.
Causes[edit]
Mechanical Anisocoria can be caused by a variety of factors, including:
- Trauma to the eye, such as a blunt force injury or penetrating injury
- Surgical complications, particularly from cataract surgery or glaucoma surgery
- Tumors or neoplasms that physically disrupt the iris or its controlling nerves
- Congenital disorders, such as Axenfeld-Rieger syndrome, that affect the development of the iris
Symptoms[edit]
The primary symptom of Mechanical Anisocoria is a visible difference in pupil size between the two eyes. This difference may be more pronounced in different lighting conditions. Other symptoms can include:
Diagnosis[edit]
Diagnosis of Mechanical Anisocoria typically involves a thorough eye examination, including:
Treatment[edit]
Treatment for Mechanical Anisocoria depends on the underlying cause. In some cases, no treatment may be necessary. In other cases, treatment options can include:
