An acute infection of the conjunctiva, which may be viral, bacterial or allergic.
Caused by bacteria, allergies and viruses, along with other irritations to the eye and cornea, such as smoke, dust, wind and the common cold.
signs and symptoms:
viral: Clear discharge; minimal or absent lid swelling; no itching; often, lymphadenopathy of periauricular node is present.
allergic: Clear, mucoid discharge; high eosinophils; mild to marked lid swelling; severe itching with increased lacrimation; no nodal involvement. bacterial: Purulent, green discharge; moderate lid swelling; possible itching; no nodal involvement; possible fever.
In any of the three, but more typically in bacterial cases, the patient may wake up in the morning with eyelids agglutinated shut.