Pink eye (conjunctivitis) is an inflammation or infection of the conjunctiva. The conjunctiva is the transparent membrane that lines your eyelid and covers the white part of your eyeball. Pink eye is typically caused by a bacterial or viral infection or an allergic reaction.
Causes
Bacteria
Virus
Allergies
Viral and bacterial conjunctivitis, both very contagious conditions, spread through direct or indirect contact with the secretion of infected eyes. While both adults and children can develop pink eye, children are more likely to become infected with bacterial conjunctivitis
