Analysis of the clinical and pedigree features of USH-001 USH-002 families . And screening the short tandem repeat markers around the 12 known USH gene map locus to choose the possible relevant genes by use of the principles and methods of linkage analysis . Results : 1 .

分析USH-001、USH-002家系患者的临床表型特征、系谱特征，利用连锁分析的原理和方法，对12个已知 致病基因位点周围的微卫星标记进行扫描，筛选可能的致病基因位点。