Burning, itchy eyes that discharge a thick, sticky mucus may indicate bacterial pink eye.
Tearing, a swollen lymph node under the jaw or in front of the ear, and a light discharge of mucus from one or both eyes are often signs of viral pink eye. People with viral pink eye commonly have symptoms of an upper respiratory infection or cold as well.
Redness, intense itching, and tears in both eyes may indicate allergic pink eye.
Inflamed red bumps are usually visible on the underside of the upper eyelid in people with giant papillary conjunctivitis (GPC). This occurs mainly in contact lens wearers, particularly those wearing soft lenses.
Retinitis is a disease that threatens vision by damaging the retina -- the light-sensing tissue at the back of your eye. Although there's no cure, there are steps you can take to protect your sight and make the most of the vision you have.