<prompt> Cicatrising trachoma is seen inStage IStage IIStage IIIStage IV  <response>: Grading of trachoma:McCallan;s classification by McCallan in 1908, divided the clinical course of the trachoma into following four stages:Stage I Incipient trachoma or stage of infiltration: It is characterized by hyperemia of palpebral conjunctiva and immature follicles.Stage II Established trachoma or stage of florid infiltration: It is characterized by an appearance of mature follicles, papillae, and progressive corneal pannus.Stage III Cicatrising trachoma or stage of scarring: It includes obvious scarring of palpebral conjunctiva.Stage IV Healed trachoma or stage of sequelae: The disease is quite and cured but sequelae due to cicatrization give rise to symptoms.Ref: Khurana; 4th edition; Pg no. 65 