Ten patients, 5 with branch retinal vein occlusion and 5 with central retinal vein occlusion, will receive stand of care anti-vascular endothelial growth factor over the course of 52 weeks while undergoing a paracentesis prior to each treatment. During the paracentesis anterior chamber fluid will be removed to evaluate vascular endothelial growth factor levels along with other cytokines present in the anterior chamber fluid. Ocular coherence tomography will also be collected at each visit to evaluate macular thickness which will be used to help determine treatment windows along with levels of vascular endothelial growth factor. Patients with high levels of vascular endothelial growth factor and the presence of macular edema on ocular coherence tomography will be treated every four weeks. Once vascular endothelial growth factor levels are reduced along with improvements of macula edema treatment windows will be extended to 8 weeks and then to 12 weeks once levels are normal and edema is no longer present.
The purpose of this study is to treat patients with retinal vein occlusion with standard of care anti-vascular endothelial growth factor therapy and to correlate levels of vascular endothelial growth factor in the anterior chamber fluid of the eye. This study will evaluate if measuring the vascular endothelial growth factor will help predict the timing of when anti-vascular endothelial growth factor therapy will be needed.