TNF and congenital primary aphakia: The sensitivity and specificity of the sCD40L/IL-5 ratio for diagnosing CPA were 90% and 72.7%, respectively, at a cutoff index of 176.9, optimized from ROC curves, and those of the TNF/IL-5 ratio were 80% and 81.8%, respectively, at a cutoff index of 14.68, optimized from ROC curves.