What are two common ocular findings associated with Bell's palsy?

Prepare for the NBEO Systemic Disease Exam. Use flashcards and multiple-choice questions to test your knowledge. Each question includes hints and explanations. Enhance your understanding and readiness for the exam.

Bell's palsy is a condition that results from the dysfunction of the facial nerve (cranial nerve VII), leading to unilateral facial paralysis. This paralysis can significantly impact eyelid function and blinking, which is crucial for maintaining corneal health.

The correct answer highlights exposure keratitis and ectropion as common ocular findings associated with Bell's palsy. Exposure keratitis occurs due to incomplete eyelid closure, leading to dryness and irritation of the cornea. This is a direct result of the inability of the affected eyelid to close properly, which allows the cornea to become exposed to air and environmental irritants, increasing the risk of inflammation and potential corneal damage.

Ectropion, or outward turning of the eyelid, can also occur due to the paralysis of the orbicularis oculi muscle, which normally helps to keep the eyelid close and maintain its anatomical position. This can further contribute to exposure of the conjunctiva and cornea, exacerbating keratitis.

Both findings illustrate the impact of facial nerve palsy on ocular health, making them significant clinical considerations in patients presenting with Bell's palsy. Understanding these manifestations can help in patient management and emphasize the importance of protecting the cornea in these cases.

Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy