Pink eye are usually caused by a wide range of bacteria, viruses, allergy-provoking agents, irritants, and toxic agents, as well as to underlying diseases within the body. According to different causes of the pink eye, it can be classified to viral pink eye and bacterial pink eye. Although they have the similar symptoms, viral pink eye is more serious which is the leading cause of a red eye and most common in late fall and early spring.Adenoviruses are typical virus that are most commonly responsible for the infection.
