For the determination and the quantification of VEGF several laboratory techniques have been used, as they are the Westernblot (1), the flow cytometry (7), CBA (7). Nevertheless, the Enzyme-linked immunoabsorbent assay (ELISA) remains the gold standard for the measurement of interleukins, growth factors and other cytokines in corporal fluids, including the vitreous, aqueous and subretinal fluid (1,5,7).