Diffuse trachoma, also known as active trachoma, is an infectious eye disease caused by the bacterium Chlamydia trachomatis. It primarily affects children in developing countries with poor sanitation and limited access to healthcare. The disease is characterized by inflammation, scarring, and eyelid deformities that can ultimately lead to blindness if left untreated. Synonyms for diffuse trachoma include epidemic keratoconjunctivitis, contagious ophthalmia, or simply trachoma. These terms highlight the contagious nature of the disease and emphasize the urgent need for prevention and intervention efforts. Understanding the synonyms helps raise awareness about diffuse trachoma and can facilitate effective communication among healthcare professionals and communities impacted by this debilitating eye condition.