Well, yes, it is kind of necessary to put gel on the newborn baby. And in common, that can be good for their eyes. Generally speaking, tetracycline is considered as the least irritating to a sensitive newborn's eyes, for newborn baby's eyes can be very sensitive. And by doing that, it's intended to protect the baby's eyes from being infected by syphilis, gonorrhea, or chlamydia. Also, you need to know that when this infects a baby's eye during delivery, it can cause pink eye, which can just make a baby's little peepers very sore and painful. What is serious is that it can even cause blindness. So putting gel on the eyes can be needed.