Trachoma

A 6-year-old girl from rural Rajasthan presents with chronic follicular conjunctivitis and progressive corneal opacity. Examination reveals Arlt's line and trichiasis. What is the most common causative organism of trachoma?

A 28-year-old woman from rural Rajasthan presents with chronic bilateral eye irritation, photophobia, and recurrent purulent discharge for the past 3 years. On examination, she has upper tarsal conjunctival scarring, Arlt's line, and trichiasis. Conjunctival scrapings show intracytoplasmic inclusion bodies. She has already completed two courses of oral azithromycin (12 mg/kg/day for 3 days, monthly for 6 months) in the past 2 years. What is the most appropriate next step in management?

A 45-year-old woman from a tribal area in Odisha presents with progressive vision loss, eye irritation, and recurrent episodes of eye redness over 15 years. On slit-lamp examination, she has upper tarsal scarring, trichiasis with inturned eyelashes, and a hazy cornea with neovascularization. She reports a history of recurrent conjunctivitis since childhood. What is the most likely stage of trachoma, and what is the immediate management priority?

A 5-year-old boy from a resource-limited setting in Uttar Pradesh presents with bilateral follicular conjunctivitis, mild pannus formation, and no corneal involvement. Chlamydia trachomatis (serovars A–C) is confirmed. The family cannot afford oral medication. What is the most appropriate topical drug of choice?

Which clinical finding best distinguishes active trachoma (TF/TI) from cicatricial trachoma (TS/TT) in a 35-year-old woman presenting with chronic eye irritation and visual loss?