Traumatic mydriasis: Difference between revisions
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==Differential Diagnosis== | ==Differential Diagnosis== | ||
*Physiological Aniscoria | |||
*Intracranial Injury | |||
*Congenital Eye Defects | |||
*Drugs and Toxins | |||
*Third Nerve Palsy | |||
*Pharmacologic Mydriasis | |||
==Evaluation== | ==Evaluation== | ||
*History of Trauma | |||
*Check use of topical medications | |||
*Exposure to toxin and drugs | |||
*Evaluate ocular and neurological symptoms/signs | |||
*Examine pupils in light and dark | |||
Revision as of 00:38, 5 October 2017
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 Aniscoria
- Intracranial Injury
- Congenital Eye Defects
- Drugs and Toxins
- Third Nerve Palsy
- Pharmacologic Mydriasis
Evaluation
- History of Trauma
- Check use of topical medications
- Exposure to toxin and drugs
- Evaluate ocular and neurological symptoms/signs
- Examine pupils in light and dark