Red and runny eyes can be a sign that you are experiencing a blocked tear duct. This condition does not need to worry, because there are many ways you can do to overcome it. Tears cleanse, wet, and nourish the eyeball. After wetting the eyeball, tears will pass through the tear ducts to be removed through the nose. Humans in general have two channels that combine into one in each eye before reaching the nose. If one of the tear ducts is blocked, the tear removal process can be interrupted. Blocked tear ducts can be caused by congenital abnormalities, aging (especially in women), inflammation or recurrent tear duct infections, use of eye drops (in glaucoma sufferers), facial injuries, tumors that compress the tear ducts, or effects radiotherapy carried out in the facial area. Characteristics of Tear Blockage Occurrence When a person experiences a blockage of the tear duct, the tear flow is not smooth so that the eyes keep watering. In addition to watery eyes, symptoms of blockage ...