Due to poor air quality related to fires in California, the Academy’s San Francisco offices will be closed Friday, Nov. 16. Member support staff will not be available by phone and responses to emails may be delayed.

  • Parts A and B courtesy of ZoĆ« R. Williams, MD; part C courtesy of David A. DiLoreto Jr, MD, PhD.
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    Choroidal effusion due to carotid-cavernous fistula. A, Slit-lamp photograph of left eye showing chemosis and arteriolarization of conjunctival vessels from a left carotid-cavernous fistula (arrows point to the shadow corresponding to choroidal effusion). B, Fundus photograph of left eye showing macular-involving choroidal effusion (arrows). C, B-scan demonstrating choroidal effusion (arrows).