In simple words: Sequelae of trachoma are the long-term problems that can happen after you've had a trachoma eye infection. Trachoma is caused by bacteria and can be spread through contact with eye or nose fluids, or even by flies that have touched those fluids. Even after the infection is gone, you might have problems like scarring on your eye, trouble seeing, or pain and itching in your eyes. Your doctor can figure out what's going on by asking about your past infections, checking your eyes, and maybe doing some special eye scans. The treatment will depend on what specific problems you're having.

Sequelae of trachoma refers to the after-effects of trachoma, a bacterial eye infection caused by Chlamydia trachomatis. This condition manifests as secondary infections and organ damage to the eyes, showing effects later, sometimes years after treatment. It can cause corneal scarring, blindness, conjunctivitis, eye pain, itching, pus discharge, and photophobia (light sensitivity). Diagnosis involves history of exposure, symptoms, and eye exams using tools like a slit lamp, OCT, and fluorescein angiography. Treatment depends on the specific sequelae.

Example 1: A patient presents with blurred vision and corneal scarring years after a diagnosed and treated episode of trachoma. This scarring is a sequela of the initial infection, coded as B94.0., A patient with a history of trachoma develops trichiasis (inward-turning eyelashes) causing corneal irritation and potential vision loss. The trichiasis is a direct result of the previous trachoma infection, thus coded B94.0., An individual previously treated for trachoma experiences persistent dry eyes due to damage to the lacrimal glands, a long-term consequence of the infection, classified under B94.0.

Documentation should include a history of trachoma infection, the specific sequelae present (e.g., corneal scarring, trichiasis, blindness), and the findings of the ophthalmological examination, including any diagnostic imaging or tests performed.