GRASP advanced age-related macular degeneration, advanced age-related macular degeneration (choroidal neovascularization) vs. no amd, advanced age-related macular degeneration (geographic atrophy), college completion, cystatin c in serum, fasting insulin, height, infant head circumference, ldl cholesterol, rheumatoid arthritis, total cholesterol, triglycerides, years of education