Tears usually drain through tear ducts, evaporating in the process. Running eyes result from an overflow of tear ducts because of excess discharges of tears in your body. Tears serve certain important roles in your body. They help in washing out dust and other small particles while lubricating your eyes. They form part of the immune system that guards you against diseases. Tears are s... https://www.manipalhospitals.com/symptoms/watery-eyes/