Professional and Linguistic Assessments Board (PLAB) Practice Exam

In the treatment of Bell's palsy, what type of eye drop is commonly used?

1. Antibiotic drops

2. Artificial tears

3. Vasoconstrictive drops

4. Antihistamine drops

The correct answer is: Artificial tears

In the treatment of Bell's palsy, the use of artificial tears is essential due to the risk of eye complications that arise from facial muscle weakness. Patients suffering from Bell's palsy may have difficulty closing their eye on the affected side, leading to dryness and potential damage to the cornea. Artificial tears help to lubricate the eye, preventing dryness and subsequent irritation or injury. By maintaining proper moisture levels in the eye, artificial tears play a critical role in protecting the ocular surface and preserving visual function during the recovery period of the condition. Other types of eye drops, like antibiotic drops, are generally used to treat infections rather than address the underlying lubrication issues associated with Bell's palsy. Vasoconstrictive drops are primarily employed in managing eye redness or allergic reactions and do not provide the necessary moisture. Antihistamine drops work to alleviate allergy symptoms but are not designed for eye lubrication in cases where the eye may be exposed due to inability to fully close. Hence, the selection of artificial tears is particularly appropriate in the management of Bell's palsy to ensure eye protection and comfort.