What organisms cause trachoma?

Trachoma is the leading infectious cause of blindness worldwide. It is caused by an obligate intracellular bacterium called Chlamydia trachomatis.

What causes blindness in trachoma disease?

The scarred inner lining of your eyelid continues to deform, causing your lashes to turn in so that they rub on and scratch the transparent outer surface of your eye (cornea). Corneal clouding (opacity). The cornea becomes affected by an inflammation that is most commonly seen under your upper lid.

Is trachoma caused by protozoa?

Cause: Trachoma is an eye condition caused by infection with certain strains of the bacterium Chlamydia trachomatis.

What happens in trachoma?

Trachoma is an infectious disease caused by bacterium Chlamydia trachomatis. The infection causes a roughening of the inner surface of the eyelids. This roughening can lead to pain in the eyes, breakdown of the outer surface or cornea of the eyes, and eventual blindness.

Which of the following is caused by bacterial infection?

Infectious diseases can be caused by: Bacteria. These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis. Viruses.

Is trachoma caused by parasitic worm?

Trachoma is a disease of the eye and the leading infectious cause of blindness worldwide. It is caused by an obligate intracellular bacterium called Chlamydia trachomatis.

What is the infection?

(in-FEK-shun) The invasion and growth of germs in the body. The germs may be bacteria, viruses, yeast, fungi, or other microorganisms. Infections can begin anywhere in the body and may spread all through it. An infection can cause fever and other health problems, depending on where it occurs in the body.

Is trachoma a water borne disease?

Trachoma is transmitted by flies (see the article in this Issue). If there is more water in a dry environment, including water spilt or thrown on the ground, this will provide alternative sources of moisture to flies which would otherwise seek it on children’sfaces.

How is trachoma diagnosed?

Your doctor can diagnose trachoma through a physical examination or by sending a sample of bacteria from your eyes to a laboratory for testing. But lab tests aren’t always available in places where trachoma is common.

What are the causes of disease?

Infectious diseases can be caused by:

  • Bacteria. These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis.
  • Viruses. Even smaller than bacteria, viruses cause a multitude of diseases ranging from the common cold to AIDS.
  • Fungi.
  • Parasites.

Is river blindness a virus or bacteria?

Onchocerciasis, also known as river blindness, is a disease that affects the skin and eyes. It’s caused by the worm Onchocerca volvulus. Onchocerca volvulus is a parasite. It’s spread to humans and livestock through the bite of a type of blackfly from the genus Simulium.