In medical terms, OU stands for Oculus Uterque, which is a Latin phrase meaning ‘both eyes’. This abbreviation is commonly used in medical prescriptions and documentation to indicate that a treatment or medication should be applied to both eyes.
For example, if a doctor prescribes eye drops and writes ‘OU’ on the prescription, it means the patient should apply the drops to both eyes. This helps ensure clarity and precision in medical instructions, reducing the risk of errors.