What does "OU" signify in a prescription?

The abbreviation "OU" in a prescription is derived from the Latin term "oculus uterque," which translates to "both eyes." This notation is commonly used in prescriptions for ophthalmic medications or vision corrections to specify that the treatment or medication is intended for use in both the left and right eyes. It is important for pharmacy technicians to correctly interpret this abbreviation to ensure that patients receive the appropriate dosage and that pharmacies dispense the correct quantity for both eyes. Understanding this terminology helps in preventing any potential medication errors and aligns with providing comprehensive patient care.