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Diplopia: A Diagnostic Challenge with Common and Rare Etiologies

Mariana Alves, Ana Miranda, Marco R. Narciso, Luis Mieiro, Teresa Fonseca

(Department of Medicine IIIA, Lisbon North Hospital Center – Hospital Pulido Valente, Lisbon, Portugal)

Am J Case Rep 2015; 16:220-223

DOI: 10.12659/AJCR.893134

Background: Diplopia is a symptom with very different etiologies. It may be caused by pathology in the eye, orbit, extraocular muscles, neuromuscular junction, or in the central nervous system.
Case Report: Three clinical cases of hospitalization due to isolated diplopia are presented here, illustrating different etiologies.
Conclusions: The present article aims to address the differential diagnosis of this clinical condition and to warn of less frequent causes of diplopia, such as adverse effects of commonly used drugs.

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