It is an infectious disease that can cause swelling of the outermost covering of the eye called the conjunctiva, pain, and discharge from the eyes with itching. It spreads through touch, using common clothes, doorknobs used by the affected person, flies and domestic animals can be a cause of mechanical spread. Poor personal hygiene and lack of toilets and latrines is the cause of this blinding disease if left untreated.

It is the world's commonest cause of infectious eye diseases leading to blindness. It is currently existent in Africa, Asia, the Middle East, and some parts of Latin America and Australia where it assumes endemic proportions by affecting preteen children and women.

Bacteria by the name of Chlamydia Trachoma is are the cause of Trachoma.

The symptoms include painful eyes, swollen eyelids, sticky, slimy discharge from the eyes, inward protraction of the eyelashes, itching of the eyes and ear, nose, and throat infection.

It is frequently found in children who are dirty, dusty, and unhealthy. The symptoms include painful eyes, swollen eyelids, watery discharge from the eyes, and itching of the eyes with ear, nose, and throat infection. It usually affects one eye and gradually spreads to both eyes.

It causes inward turning of the eyelid such that the eyelashes rub against the cornea. Gradually the symptoms persist and instead of resolving lead to chronic trachoma and leads to blindness between the age of 30 to 40 years if left untreated. If it does not lead to blindness, it leads to scarring of the cornea of the eye.