This kills the sting andmost of the itch. Occasionally a salt water towel placed on the area clears up the skin irritation. Liquid soap also works to kill the itch. This stops the calcium deposits from building up improperly in the joint, easing the swelling and the pain. Elevation cuts down on blood flow and the caffeine counteracts the calcium in your system.
Sugarless gum works good applied over the affected area.
Treat same as minor burn. If the eye continues to water, there is likely injury to the eye itself, or the foreign object is still in the eye. Inspect the eye and gently remove obvious objects. Rinse eye again and apply the wash cloth treatment. If it still waters or the eye blinks seemingly uncontrollably, seek medical attention.