system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
In acoustic neuroma, the earliest ocular finding is -
assistant
The correct answer is  Earliest nerve involved by acoustic neuroma - Vth nerve/trigeminal nerve.
The earliest manifestation of Vth nerve involvement is decreased corneal sensitivity leading to loss of corneal reflex.