In the current study , a three generation Asian Indian family with 15 congenital microcoria ( pupils with a diameter < 2 mm ) affected members was studied for linkage to candidate microsatellite markers at the 13q31-q32 locus .
O O O O O O O O O O O O O B-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature O O O O O O O O O O O O O O O O O O O O O O O O