Conjunctivitis is an inflammation of the conjunctivae, which are the mucous membranes covering the white of the eyes and the inner side of the eyelids. It usually affects both eyes at the same time although it may start in one eye and spread to the other after a day or two. It may be asymmetrical, affecting one eye more than the other. There are many causes and the treatment will depend upon the cause.

Conjunctivitis is a very common eye condition. It is not serious but can be very uncomfortable and irritating.
Conjunctivitis has 5 different cases:
1/bacteria
2/viruses
3/Chlamydia
4/allergy
5/Chemicals or irritants

Conjunctivitis is also known as "pink eye" or "red eye" it's common in children and can present with redness, swelling, itching and pain in the eye, there may be discharge which vary according to the causative organism.

conjunctivitis is easily be treated.