The nurse is teaching a group of nursing students about administration of erythromycin ointment to a newborn. Which statement by the students indicates the need for further instruction?

"I will flush the newborn's eye after administering the ointment."

"I will need to administer the eye ointment within 1 hour of the newborn's birth."

"I will cleanse the newborn's eyes prior to administering the ointment."

"I will administer the eye ointment in each of the newborn's conjunctival sac