The CMD group has the lower PRL concentration (8.92 ± 0.85) ng/mL compared with the CSH group (11.20 ± 0.66), the CHM group (10.63 ± 0.83), and the CYYNS group (11.06 ± 0.66) ng/mL (p<0.01). This evidence concerns the gene PRL and choroideremia.