Best Practices for Contact Lens Hygiene: Essential Tips for Healthy Eyes

Apr 18, 2025

Why Proper Contact Lens Hygiene is Crucial for Eye Health

As a long-time contact lens wearer, I can personally vouch for the importance of keeping your lenses clean and your eyes healthy. It’s easy to overlook the hygiene aspect of contact lens care, but doing so can lead to discomfort, irritation, and even serious eye infections. Let me take you through some best practices to ensure your lenses stay in top condition and your eyes stay safe.

1. Always Wash Your Hands Before Handling Your Lenses

It’s a simple step, but it’s so often overlooked. Before you even think about touching your contact lenses, make sure to wash your hands thoroughly. I used to be in a rush and skipped this step once, and I paid for it with a red, irritated eye. Hands are full of bacteria, dirt, and oils that can transfer to your lenses, causing infection or discomfort. Trust me, you don’t want to skip this essential step.

2. Clean Your Lenses Regularly

Cleaning your contact lenses should be an integral part of your daily routine. No matter how careful you are, your lenses will collect dirt, oil, and proteins from your eyes. Cleaning them helps remove these impurities and keeps your lenses clear. I recommend using a sterile contact lens solution that’s specifically designed for cleaning and disinfecting lenses. Never use tap water to clean your lenses, as it can contain microorganisms that lead to eye infections.

3. Replace Your Lenses According to the Recommended Schedule

It can be tempting to stretch the life of your lenses, but that’s not a good idea. Each type of lens has a recommended replacement schedule—whether it’s daily, bi-weekly, or monthly. I remember a time when I tried to keep my lenses for a bit longer, and it led to irritation and blurred vision. Stick to your optometrist’s advice and don’t push it. Replacing lenses on time ensures they remain effective and safe for your eyes.

4. Keep Your Lens Case Clean and Dry

Did you know that your lens case can be just as important as the lenses themselves? I once had a case that I didn’t clean properly, and I ended up with an eye infection. Regularly cleaning your lens case with hot water and letting it dry fully is key. If you notice any cracks or damage to the case, it’s time to replace it. An old, worn-out case can harbor bacteria and germs that may transfer to your lenses.

5. Avoid Sleeping in Your Contact Lenses

While it’s convenient to fall asleep with your lenses in, it’s actually one of the worst things you can do for your eye health. I’ve been guilty of this in the past, especially after a long day of work. But wearing lenses overnight can deprive your eyes of oxygen, leading to dryness and irritation. In some cases, it can cause more severe complications, like corneal ulcers. Always remove your lenses before going to bed.

6. Don’t Share Your Contact Lenses

This one seems obvious, but it’s important to emphasize. I’ve heard of people swapping lenses with friends or family members for a “try-on” experience. This is a huge no-no. Sharing lenses can introduce bacteria, fungi, or viruses, which can lead to dangerous eye infections. Always make sure your lenses are exclusively yours.

7. Stay Consistent with Your Eye Care Appointments

Another important aspect of contact lens hygiene is staying up-to-date with eye exams. I’ve learned over the years that regular eye exams are crucial for ensuring that your lenses are still the right fit and that your eye health is in good condition. Your optometrist can spot potential issues before they become serious and adjust your prescription as needed.

8. Keep Your Eyes Moisturized

Sometimes, contact lenses can make your eyes feel dry, especially if you wear them for long periods. I found that using lubricating eye drops made a big difference for me. Make sure to use eye drops that are safe for contact lens wearers. Keeping your eyes moist can prevent irritation and make wearing lenses more comfortable throughout the day.

9. Know When to Replace Your Lens Solution

Contact lens solution doesn’t last forever. I remember a time when I kept using the same solution for a week, thinking it was fine, only to later realize that the solution had expired. Always check the expiration date on your solution bottle and replace it regularly. If your solution starts to get cloudy or you notice any changes in its appearance, discard it immediately and get a fresh bottle.

10. Be Cautious with Makeup and Other Products

As someone who enjoys makeup, I’ve learned that certain makeup products can affect my lenses. For instance, mascara and eyeliner can leave residue on your lenses and cause discomfort. I’ve found that being extra cautious with makeup application—especially around my eyes—has really helped keep my lenses clean and my eyes comfortable. And, of course, always remove your makeup thoroughly before putting in your contact lenses.

11. Store Your Contact Lenses Properly

Proper storage is just as important as proper cleaning. I always store my lenses in a clean, sterile contact lens case, and I make sure to fill it with fresh solution each time. Never reuse old solution, as it can harbor bacteria and lead to eye infections. If I’m traveling, I make sure to pack my lenses and solution in a clean, secure container to avoid contamination.

12. Stay Hydrated for Healthy Eyes

One thing I’ve learned is that staying hydrated helps with overall eye health, especially if you wear contacts. Dehydration can lead to dry eyes, making your lenses uncomfortable. Drinking plenty of water throughout the day can help keep your eyes moist and prevent that dry, gritty feeling. It’s a simple habit that has made a noticeable difference for me.

13. Be Aware of Environmental Factors

Environmental factors like smoke, dust, and dry air can affect your eyes and lenses. I’ve had days when I was exposed to dry air for extended periods, and my lenses became uncomfortable. If you’re in an environment with dry air, consider using a humidifier or wearing protective eyewear to reduce discomfort. Always be mindful of how your surroundings can impact your eye health.

14. Know the Signs of an Eye Infection

While it’s important to follow all the best practices for hygiene, it’s equally important to know when something is wrong. I once ignored symptoms like redness and slight pain in my eye, thinking it was just irritation. It turned out to be a mild eye infection that could’ve gotten worse if left untreated. If you experience symptoms like redness, pain, blurry vision, or excessive tearing, remove your lenses immediately and consult your eye doctor.

15. Learn from Others’ Mistakes

Finally, one of the best ways to learn about contact lens hygiene is by hearing real stories. For example, a friend of mine once shared how he neglected proper lens care during a camping trip, and he ended up with a serious eye infection. Hearing his experience reminded me of the importance of sticking to a solid hygiene routine, no matter where I am or what I’m doing.