AR and cataract: The remaining 14 loci, including 1p36, 1p34-p36, 1q25-q13, 2p24, 2p21, 3p22-p24.2 (AR), 9q13-q22 (AR), 15q21-q22, 17q24, 19q13, 13q13.4 (AR), 20p12.2-q12(p12.2-p11.23), Xp22, and 3q22.3-q25.2, have been regarded as isolated cataracts where no disease-causing gene could be clearly identified [1,7-9].