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No association between Chlamydia, central retinal artery occlusion

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VIENNA, Austria — There is no apparent association between acute central retinal artery occlusion and Chlamydia pneumoniae, according to a study.

Pia Vécsei, MD, and colleagues at the University of Vienna Medical School examined the sera of 14 patients with central retinal artery occlusion (CRAO) and 14 control subjects. In the CRAO group, seven patients were found to be IgA positive, 12 were IgG positive and one was IgM positive for chlamydial antibodies. In the control group 36% were IgA positive, 79% were IgG positive and 14% were IgM positive. There were no significant differences between the two groups.

The study is published in the December issue of Acta Ophthalmologica Scandinavica.