Your eyesight is only as good as your prescription glasses. If your lenses get dirty or damaged, then you won’t be getting the most out of them. And besides, after you’ve ordered your new pair of prescription, UV-resistant, glare-resistant lenses and had them placed onto a custom frame, the last thing you want is to have to start the process all over again because you’ve already ruined them. The good news is that keeping your glasses sparkling clear doesn’t have to be tricky. Here are a few tips for cleaning your glasses like a pro.

Make it a habit

Don’t wait until your glasses are too smudged to see through. By cleaning your glasses thoroughly once a day, you’ll keep them clean and prevent them from ever getting to the point where you notice spots or smudges. It’s easy to sneak cleaning your glasses into another daily ritual, such as preparing for work in the morning or getting ready for bed in the evenings.

Wash, don’t wipe

One of the biggest mistakes people make with their glasses is trying to wipe away smudges and grime. This runs the risk of scratching glasses, and is ineffective at overall cleaning. Instead, run the glasses under water with a dash of moisturizer-free dish soap. Dry the glasses using a glasses cleaning cloth or other pure cotton fabric like a t-shirt. Doing this daily or at least several times a week will keep your glasses clear and help you avoid damage to your lenses.

Prescription sunglasses can be cleaned in this manner, too.

Avoid cleaners

It can be tempting to treat a pair of glasses like a mirror or window and spray them down before wiping them off. Chemical cleaners like window sprays can be damaging to your glasses and won’t ultimately clean them well. High quality prescription glasses like those from 39 Dollar Glasses come with a protective coating on the lenses that protects against damage. Harsh chemical cleaners strip away that coating. Warm water and soap will be much more gentle and effective.

Use individually sealed cleaning wipes

Sometimes you get your glasses dirty while you’re on the go. If a full clean isn’t feasible, pull out a sealed lens wipe to get rid of any troublesome grime that hits your lenses during the day. Be sure the wipes are intended for use on glasses to avoid damaging your lenses. Storing a few in your car, bag or jacket pocket can save you from grimy glasses in the middle of your busy day.