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Arch Ophthalmol. 1998;116:955-956.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

The oculocardiac reflex is a triad of bradycardia, nausea, and syncope. The ocular causes are numerous.¹ Orbital causes also exist.^2-4 The ophthalmic division of the trigeminal nerve is the afferent limb. The impulses pass through the reticular formation to the vagus nerve's visceral motor nuclei. The efferent limb message is carried by the vagus nerve to the heart and stomach.

We report 3 cases of orbital floor fractures that entrapped the inferior rectus muscle and/or the orbital connective tissue to immediately produce the oculocardiac reflex in 1 case and was highly suggestive in 2 others. To our knowledge, there have been no previous reports of oculocardiac reflex caused by incarceration of orbital soft tissue in an orbital trapdoor fracture.

Report of Cases

Case 1

An 8-year-old boy who was pushed and hit the right side of his face, immediately developed diplopia, nausea, and vomiting. In the emergency department, his pulse rate was 58/min with a . . . [Full Text of this Article]

Case 2

Case 3

Comment
Reprints: Bryan S. Sires, MD, PhD, Harborview Medical Center, Ophthalmology, Box 359894, Seattle, WA 98104-9894 (e-mail: bsires@u.washington.edu).