Chronic Conjunctivitis/ Trachoma

Question 1

What are the different levels of the World Health Organisations grading system for Trachoma?

Answer 1

TF - Trachomatous inflammation (FOLLICULAR) : 5 or more follicles on the superior tarsal plate

TI - Trachomatous inflammation (INTENSE) : diffuse involvement of the tarsal conjunctiva, obscuring 50% of the normal deep tarsal vessels; papillae are present

TS - Trachomatous conjunctival SCARRING : easily visible fibrous white tarsal bands (Arlts line)

TT - Trachomatous TRICHIASIS : At least 1 lash touching the globe

CO - Corneal OPACITY sufficient to blur details of at least part of the pupillary margin