PURPOSE : Genes in the complement pathway , including complement factor H ( CFH ) , C2/BF , and C3 , have been reported to be associated with age-related macular degeneration ( AMD ) .
O O O O O O O O O B-GeneOrGeneProduct I-GeneOrGeneProduct I-GeneOrGeneProduct O B-GeneOrGeneProduct O O B-GeneOrGeneProduct O O B-GeneOrGeneProduct O O O O O O O O B-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature O B-DiseaseOrPhenotypicFeature O O