Mass. Gen. Laws ch. 111, § 109A: Treatment of infants' eyes at time of birth

Section 109A. The physician, or hospital medical officer registered under section nine of chapter one hundred and twelve, if any, personally attending the birth of a child shall treat his eyes within two hours after birth with a prophylactic remedy furnished or approved by the department. Whoever violates this section shall be punished by a fine of not more than one hundred dollars.