Intractable Elevated Intraocular Pressure during Plaque Brachytherapy for Posterior Choroidal Tumors: A Case Report

We hypothesize that the clinical presentation in both patients was primarily attributable to two factors: first, pre-existing venous congestion and, second, the application of a plaque, which obstructed a superior vortex vein. This left the remaining vortex veins unable to compensate for the obstruction, leading to intractable IOP during plaque brachytherapy.