The younger blind dog was a collie with congenitalblindness.
年轻的失明的宠物狗为先天性失明的柯利牧羊犬。
2
When a child is blind from birth, his or her blindness is called congenital.
如果一个孩子从出生就失明，他或她的这种失明被称为先天性的。
3
Conclusion (1) it is feasible to use chromatic VEP for examining congenital color vision deficient, especially for red green blindness and deuteranopia.