In the glaucoma group, serum HSP60 levels showed a correlation with mean deviation (MD) of the right eye and of both eyes (r = 0.439, p = 0.047, and r = 0.482, p = 0.027, respectively, Spearman’s rank correlation test); they showed no correlation with RNFL thickness. The gene discussed is HSPD1; the disease is glaucoma.