Alcohol causes your blood vessels to relax. Andrew Holzman More Quotes by Andrew Holzman More Quotes From Andrew Holzman If you use the drops on a regular basis, your body will adapt to the drops, then when you stop, you end up getting a rebound effect where your blood vessels dilate and your eyes start to look red. Andrew Holzman latest-headlines It works by constricting blood vessels, which reduces blood flow to your eyes so they look less red. Andrew Holzman latest-headlines It should go away on its own in about a week. Andrew Holzman latest-headlines We don’t blink as much when we look at screens, which causes dryness. Andrew Holzman latest-headlines