Traumatic mydriasis: Difference between revisions
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**[[Conjunctival hemorrhage]] | **[[Conjunctival hemorrhage]] | ||
**[[Corneal abrasion]], [[Corneal laceration]] | **[[Corneal abrasion]], [[Corneal laceration]] | ||
**[Globe rupture]] | **[[Globe rupture]] | ||
**[[Retrobulbar hematoma]] | **[[Retrobulbar hematoma]] | ||
**[[Ocular compartment syndrome]] | ***[[Ocular compartment syndrome]] | ||
**[[Traumatic iritis]] | **[[Traumatic iritis]] | ||
**[[Lens dislocation]] | **[[Lens dislocation]] | ||
Revision as of 23:11, 3 August 2020
Background
- Pupillary dilation due to blunt eye trauma
- Pupil is poorly reactive to light in both direct and consensual light exposure
- Occurs due to small tears in the ciliary muscles
- May be transient or permanent
- No specific ED management, but requires ophthalmology follow up
- Diagnosis of exclusion!
Clinical Features
Differential Diagnosis
- Physiological Anisocoria
- Intracranial Injury
- Congenital eye defects
- Drugs and toxins
- Third nerve palsy
- Pharmacologic mydriasis
- Injuries associated with blunt eye trauma
Evaluation
- Clinical; rule out intracranial injury
Management
- No specific ED management
Disposition
- If no other injuries/pathology, discharge with optho follow up