Viral conjunctivitis usually affects only one eye and causes excessive eye watering and a light discharge.
Bacterial conjunctivitis affects both eyes and causes a heavy discharge, sometimes greenish.
Allergic conjunctivitis affects both eyes and causes itching and redness in the eyes and sometimes the nose, as well as excessive tearing.
Giant papillary conjunctivitis (GPC) usually affects both eyes and causes contact lens intolerance, itching, a heavy discharge, tearing and red bumps on the underside of the eyelids.
Have been up on nightshift all night, so have to go to bed now, sorry, hth