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 the grading of trachoma, trachomatous inflammation–follicular is defined as the presence of –
assistant
The correct answer is  Under WHO classification, trachocomatous inflammation follicular is defined as at least 5 or more follicles of at least 0.5 mm diameter on upper tarsal conjunctiva (for details see the table of WHO classification in the text of this chapter).