Transient monocular visual loss (TMVL) is a common clinical scenario presenting to the ophthalmologist. Evaluation can be challenging given the myriad of potential causes, some of which carry a significant risk of morbidity and/or mortality.
TMVL is the preferred terminology over amaurosis fugax, partly because the latter only implies an ischemic etiology for the visual loss. The evaluation of a patient who presents with TMVL requires careful attention to the history while considering the diagnostic possibilities within the context of the patient's medical background.
Upon completion of this Focal Points issue, you should be able to:
- Identify the important aspects of history taking when encountering a patient with transient monocular vision loss (TMVL)
- Describe the differential diagnosis of TMVL
- Discuss management principles and referral patterns for specific causes of TMVL
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