Not all tears are alike. Humans produce two different types of tears: reflex tears and lubricating tears. Reflex tears occur when we are exposed to stimuli such as smoke or dust, or when we are injured or experience a strong emotion. Lubricating tears, true to their name, are responsible for keeping our eyes lubricated. Dry Eye Syndrome (DES) occurs when our eyes produce reflex tears instead of lubricating tears, or can’t produce enough lubricating tears to keep your eyes moist. i-drop pur gel drops can help ensure that your eyes produce enough lubricating tears and can provide relief from moderate to severe Dry Eye Syndrome. i-med i-drop pur gel can also be used with contact lenses.