What is the name of the disease caused by Chlamydia?

The disease caused by Chlamydia is trachoma, which is caused by the bacterium Chlamydia trachomatis. Trachoma is an infectious disease that affects the eyes and can lead to blindness if untreated. It is the leading cause of preventable blindness worldwide and spreads primarily through direct contact with eye or nasal discharges of infected individuals.

While psittacosis (also known as parrot fever) is indeed associated with a different species of Chlamydia (Chlamydia psittaci) and primarily affects birds, its link to Chlamydia is not what is being asked in the question. Chlamydia pneumoniae is another type of Chlamydia that causes respiratory infections, but it is specifically responsible for pneumonia, not a disease attributed to the name "Chlamydia" in a general sense. Lyme disease is caused by the bacterium Borrelia burgdorferi and is unrelated to Chlamydia.

Therefore, choosing trachoma accurately identifies a well-known disease directly associated with the Chlamydia bacterium, distinguishing it from other conditions caused by different species or unrelated pathogens.