Keywords: ژن آنژیوتانسینوژن; ADAM; a disintegrin and metalloproteinase; AGT; angiotensinogen gene; AMD; age-related macular degeneration; ANG; angiopoietin; BDNF; brain-derived neutrotrophic factor; BW; birth weight; DR; diabetic retinopathy; eNOS; endothelial nitric oxide synthase;