What does conjunctivitis mean?

Conjunctivitis is the most common disease in ophthalmology. Due to the contact between conjunctiva and various microorganisms and the external environment, conjunctiva's own defense mechanism can control infection or limit infection. However, when this defense ability is weakened or the pathogenic factors from the outside are enhanced, conjunctivitis tissue will be inflamed. Clinically, this inflammation is collectively referred to as conjunctivitis. Generally speaking, the causes of conjunctivitis are mainly divided into two categories: microbial and non-microbial. The most common is microbial infection, generally speaking, microbial infection includes bacteria, viruses, and occasionally fungi. Generally speaking, non-microbial infection can be physical stimulation or chemical damage, even for some patients with autoimmune diseases will also show conjunctivitis, so it is said that conjunctivitis its pathogenic factors are more complex, if the patient shows conjunctivitis must be treated according to the patient's etiology.