Condition known as pink eye or conjunctivitis is a protective layer called the conjunctiva of the eyelid and eye infections. The pink eye naturally, eye allergies and pink eyelids response.Of find their way into the second region to cause the three main causes of these viruses, there may be caused by bacteria, or natural allergens can be transmitted actually believed that the only bacterial and viral infections. Conjunctivitis is caused by allergic reactions or other hay fever has been spreading in general no common form of conjunctivitis or pink eyes, bacteria, pink most eye.The differences between the three forms of to distinguish not always easy. The roots of the lashes first, as the bacteria present themselves along the rim of the eyelids, in order to destroy harmful bacteria, so you do not have a normal defense mechanism, there is this. I have to neutralize the bacteria present in the natural chemistry of the conjunctiva, it is not always successful. If you manage to overwhelm the defenses of the conjunctival bacterial colonies, the result is infection and conjunctivitis know we have pink eyes.