If you wear contact lenses, you may have been tempted to leave them in just one more day. It feels convenient, and it seems like a simple way to stretch your supply. After all, if they still feel okay, what’s the harm in waiting a little longer to open a fresh pair?
The truth is that the replacement schedule on the box is there for a reason: Your eye health. The right time to replace your contact lenses depends entirely on the type prescribed for you and the schedule your eye doctor at Danville Optometric Group provides.
Your Lens Type and Its Replacement Schedule
Different lenses have different schedules for how often they need replacing. It’s important to know your contact lens type so you can follow the instructions.
Daily Disposable Lenses
As the name suggests, you wear these lenses for just 1 day. In the morning, you put in a fresh, sterile pair and dispose of them a few hours before bed. Most people like this option because they don’t need contact lens cases or cleaning solutions, but a key benefit of a brand-new lens each day is that it reduces the likelihood of deposits or bacterial buildup. There are many different types of daily use lenses.
Technology has advanced significantly in this area. Some new designs now offer UV protection and Blue Filters to improve night vision and help with computer eye fatigue. There are lenses for astigmatism and newer ones that offer astigmatism and progressive technology in a daily use contact lens. Myopia control for children is now available but only in daily use technology.
Bi-Weekly and Monthly Lenses
Lenses designed for 2-week or 1-month use require a consistent care routine. These lenses must be removed, cleaned, and stored properly every single night according to best practices for lens care. These lenses are made from durable materials that can be reused when cared for correctly.
Following a strict replacement calendar is important for these lenses, as bacteria and other deposits can build up on them. Currently most contact lens cleaning solutions do not address viruses such as Covid.
Marking the date on your calendar or setting a phone reminder helps you know exactly when it is time for a new pair. However, recent research shows there may be long term corneal problems with these types of lenses due to lack of oxygen and how it affects the corneal cell longevity and clarity.
Consult with an experienced doctor if this is your current method of contact lens wear.
Signs You May Need a Fresh Pair
Your eyes often let you know when your lenses have been worn too long. Even if you cannot see the problem, you might be able to feel it. Pay attention to any new or persistent feelings of discomfort:
- A feeling of dryness or irritation
- Blurry or hazy vision
- Redness that will not go away
These symptoms can sometimes overlap with other conditions, so if they persist, it might be helpful to visit our dry eye clinic for an evaluation.
The Unseen Effects of Old Lenses
Beyond what you can feel, microscopic changes happen to a contact lens the longer you wear it. Natural substances from your tears (like proteins and lipids) can accumulate on the lens surface. Over time, this buildup can make your vision cloudy and the lens less comfortable.
The shape and fit of the lens can also change as it ages. A lens that no longer sits correctly on your eye can affect visual clarity. Most importantly, an older lens with more deposits may not allow as much oxygen to reach the surface of your eye, which is important for keeping your cornea (the clear front part of your eye) healthy in the long term.
Fresh Lenses for Better Vision and Comfort
When you stick to your replacement schedule, you directly support your own comfort and eye health. A fresh lens can provide the crisp, clear vision you expect from your prescription.
You also get to experience better all-day comfort. A new, clean lens feels smooth and moist on the eye. Following the proper schedule is a simple and effective way to reduce your risk for potential complications and keep your eyes feeling good. When you’re ready for a refill, you can easily order your contact lenses online.
Your Professional Lens Fit and Care Plan
The Role of Your Danville Optometrist
A contact lens prescription is more than just numbers. During a fitting, an optometry professional can measure the unique curve of your eye to find a lens that fits properly. The eye doctor also considers your lifestyle and eye health to match you with the right lens material and type.
This professional evaluation is where your personal replacement schedule comes from. Our team helps you understand the exact steps for care and wear, so you have clear instructions for your lenses.
A Note on Myopia Control and Vision Therapy
If you use specialty contacts as part of a treatment plan like myopia control, following the schedule is even more important. These lenses are designed to perform a specific function, and proper care is part of the therapy.
The same is true for certain vision therapy plans in Danville that may involve contact lenses. Regular progress checks help confirm the treatment is on track and that the lenses are being worn and cared for correctly.
Book Your Contact Lens Fitting
Following your specific replacement schedule is a simple way to protect your eyes and get the most out of your contact lenses. Our team at Danville Optometric Group can perform a comprehensive contact lens evaluation to find the right fit for you.
Schedule your appointment to create a clear plan for your vision and health.
