Traumatic mydriasis: Difference between revisions
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== | ==Background== | ||
*Occurs due to small tears in the ciliary muscles | |||
*No specific ED management, but requires ophthalmology follow up | |||
*Diagnosis of exclusion! | |||
==Clinical Features== | |||
*Pupillary dilation due to [[blunt eye trauma]] | *Pupillary dilation due to [[blunt eye trauma]] | ||
**Pupil is poorly reactive to light in both direct and consensual light exposure | **Pupil is poorly reactive to light in both direct and consensual light exposure | ||
*May be transient or permanent | *May be transient or permanent | ||
*No specific ED management, | |||
==Differential Diagnosis== | |||
*Physiological Anisocoria | |||
*[[TBI|Intracranial Injury]] | |||
*Congenital eye defects | |||
*[[toxicity|Drugs]] and toxins | |||
*[[Third nerve palsy]] | |||
*Pharmacologic mydriasis | |||
{{Unilateral red eye DDX}} | |||
==Evaluation== | |||
*Clinical; rule out intracranial injury | |||
==Management== | |||
*No specific ED management | |||
==Disposition== | |||
*If no other injuries/pathology, discharge with optho follow up | |||
==See Also== | |||
==External Links== | |||
==References== | |||
<references/> | |||
[[Category:Ophthalmology]] | |||
[[Category:Trauma]] | |||
Latest revision as of 21:09, 12 August 2020
Background
- Occurs due to small tears in the ciliary muscles
- No specific ED management, but requires ophthalmology follow up
- Diagnosis of exclusion!
Clinical Features
- Pupillary dilation due to blunt eye trauma
- Pupil is poorly reactive to light in both direct and consensual light exposure
- May be transient or permanent
Differential Diagnosis
- Physiological Anisocoria
- Intracranial Injury
- Congenital eye defects
- Drugs and toxins
- Third nerve palsy
- Pharmacologic mydriasis
Unilateral red eye
- Nontraumatic
- Acute angle-closure glaucoma^
- Anterior uveitis
- Conjunctivitis
- Corneal erosion
- Corneal ulcer^
- Endophthalmitis^
- Episcleritis
- Herpes zoster ophthalmicus
- Inflamed pinguecula
- Inflamed pterygium
- Keratoconjunctivitis
- Keratoconus
- Nontraumatic iritis
- Scleritis^
- Subconjunctival hemorrhage
- Orbital trauma
- Caustic keratoconjunctivitis^^
- Corneal abrasion, Corneal laceration
- Conjunctival hemorrhage
- Conjunctival laceration
- Globe rupture^
- Hemorrhagic chemosis
- Lens dislocation
- Ocular foreign body
- Posterior vitreous detachment
- Retinal detachment
- Retrobulbar hemorrhage
- Traumatic hyphema
- Traumatic iritis
- Traumatic mydriasis
- Traumatic optic neuropathy
- Vitreous detachment
- Vitreous hemorrhage
- Ultraviolet keratitis
^Emergent diagnoses ^^Critical diagnoses
Evaluation
- Clinical; rule out intracranial injury
Management
- No specific ED management
Disposition
- If no other injuries/pathology, discharge with optho follow up