Ocular Times - Describes giant papillary conjunctivitis in contact lens wearers. Lists symptoms and treatments. Describes alterations to lenses, improving hygiene,  and medical trauma.

McKinley Health Center, University of Illinois - Details it and its causes, symptoms, duration, diagnosis, treatment, how to use the medicine, and prevention.

American Academy of Family Physicians -  Discusses causes, symptoms, and treatments of allergic conjunctivitis.

Review of Optometry Online - Describes causes, signs and symptoms, physiology, treatment, and list of medications for various types of conjunctivitis. A little technical. Shows graphic examples.

iBabydoc.com - Describes the symptoms, causes, types, diagnosis, and treatment of conjunctivitis in babies.

NetDoctor.Co.UK - Defines what it is and details the types, causes, symptoms, treatment and how to to prevent it. Includes links to other NetDoctor resources.