What is represented by the abbreviation 'O.U.'?

The abbreviation 'O.U.' stands for "ocular unit," which refers to "both eyes." This term is commonly used in the field of optometry and ophthalmology to indicate that a medication, treatment, or assessment applies to both eyes simultaneously. For patients, this is particularly important for medications prescribed for eye conditions, as it ensures that the treatment is administered uniformly to both eyes rather than focusing on just one.

In medical documentation and instructions, clarity is crucial, especially when it involves the administration of medications. By using 'O.U.,' healthcare providers can efficiently communicate that an action should be performed on both eyes, helping to avoid any potential confusion regarding the treatment protocol. This is essential for ensuring that the patient receives comprehensive care, particularly in cases where conditions may affect vision in both eyes equally.