Quit these habits for the sake of your eyes. To help you avoid major problems down the road, here are contact lens case mistakes you might not even realize you’re making that could compromise your eye health.

And how to actually get rid of them. Odds are, you’ve been dealing with eye boogers your whole life and just wipe them away then keep it moving, but there’s actually a lot more to them than you’d think.

Even with the best contact lens hygiene in the world, you might still deal with eye issues that warrant a trip to the doctor. If you experience a ton of dryness, redness, pain, discharge, blurry vision, or anything else that makes your vision worse instead of better, we suggest you stop wearing your contacts and call your eye doctor right away. Read more.

Many contact lens wearers have a dirty little secret: They sometimes sleep or nap in their lenses. But this bad habit could raise their risk of serious eye infections and even lead to vision loss. Read more about why sleeping in contacts can be so dangerous.