Wyo. Stat. § 35-4-138: Introduction of solution in eyes of newborn child by attending physician.

It shall be the duty of every practicing or licensed physician in the state of Wyoming, when attending the birth of a child, to introduce or cause to be introduced into the eyes of the newborn infant a stable solution or ointment of a broad spectrum antibiotic as prescribed by the state department of health. Provided, that this section shall not apply in cases where the parents are religiously opposed to the use of drugs and so inform the attending physician.