Apart from confirming evidence of association at TXNRD2 (rs16984299; OR<sub>[T]</sub> 1.20; P = 0.003), we found that a genetic risk score combining the effects of the 15 previously reported POAG loci was significantly associated with POAG in our samples (OR 1.56; 95% CI 1.26-1.93; P = 4.79 × 10<sup>-5</sup>).