Key Takeaways Dry eye happens when your tear film breaks down or your eyes don't produce enough tears. Screen time, contact lens wear, age, and certain medications are common contributing factors. Your tears have three layers, and disruption to any one of them can bring on symptoms. A comprehensive eye exam can measure tear quality…

That gritty, scratchy feeling in your eyes can turn a good day into an uncomfortable one. You might find yourself blinking constantly, trying to clear away a blurriness that just will not go away. If you’re tired of temporary fixes, you’ll be happy to know that there’s a different way to handle your dry eye…