What is conjunctivitis?
Conjunctivitis is an inflammation of the conjunctiva is the mucous membrane covering the eye and inner eyelids. Usually affects both eyes simultaneously, although it can start in one eye and spread to the other in one or two days. Infectious conjunctivitis, caused by an infectious agent (bacteria, viruses or Chlamydia), usually manifesting acutely. May be asymmetrical, affecting one eye more than another. There are many causes for conjunctivitis, and treatment depends largely on the cause. It is a very common eye condition, which usually is not serious but can be very annoying.
What is the cause of infectious conjunctivitis?
Bacterial Conjunctivitis
Bacterial conjunctivitis is an infection caused by bacteria (staphylococcus, streptococcus or Hemophilus). These organisms may come from the patient’s own skin, their upper airways, or be transmitted by another person with conjunctivitis. Some germs, rare, can be very serious, such as Pseudomonas aeruginosa in patients with contact lenses, or diphtheria bacilli in children 1 to 4 years in a context of deterioration in general. (more…)