 - Central serous retinopathy CSR including presence of predisposing factors to RVO or CSR e.g., uncontrolled glaucoma or ocular hypertension, uncontrolled diabetes mellitus, or a history of hyperviscosity or hypercoagulability syndromes; or visible pathology e.g., evidence of optic disc cupping, evidence of new visual field defects on automated perimetry, or intraocular pressure 21 mmHg as measured by tonography as assessed by ophthalmic examination. 