COL5A1 and keratoconus: Similar to ours, their report studied SNPs rs4894535 (FNDC3B), rs1324183 (MPDZ-NF1B), rs1536482 (RXRA-COL5A1), rs7044529 (COL5A1), rs2721051 (FOXO1) and rs9938149 (BANP-ZNF49). Hao and coworkers [40] successfully reported a significant association with rs1324183 (MPDZ-NF1B) in a cohort of 210 sporadic KC patients from a Han Chinese population.