2024-05-15
If you have dry eyes and wear contact lenses, you have probably had that moment around 4 PM where your lenses feel like they are made of sandpaper. Maybe you have been told to just give up contacts and go back to glasses. But here is the thing: most people with mild to moderate dry eye can wear contacts comfortably with the right lens choice and a few adjustments. The key is understanding why some lenses dry out faster and which ones are designed to resist it.
Why Contact Lenses Make Dry Eyes Worse
A contact lens splits your tear film in two. Part of your tears sit on top of the lens, and part sit underneath between the lens and your cornea. This means the tear film is thinner in both places, and thin tear films break up and evaporate faster. The lens also disrupts the oil layer that normally sits on top of your tears and slows evaporation.
As the day goes on, the lens gradually loses moisture. With some lens materials, the lens actually pulls moisture from your eye to maintain its own hydration. By late afternoon, you are left with a dry lens on a dry eye, and that is when discomfort spikes.
Daily Disposables: The Best Option for Most Dry Eye Patients
If you have dry eyes and you are wearing monthly or bi-weekly lenses, switching to daily disposables is the single most impactful change you can make. Here is why:
- Fresh lens every day. No accumulated protein and lipid deposits that make the lens less wettable over time. Deposits build up on reusable lenses even with perfect cleaning, and they make the surface hydrophobic, which means tears do not spread evenly across the lens.
- No solution sensitivity. Many people with dry eyes are mildly sensitive to the preservatives in multipurpose contact lens solutions. With dailies, you never put solution in your eye. Just open, insert, and throw away at the end of the day.
- Thinner design. Daily lenses tend to be thinner than monthly lenses, which means they disrupt the tear film less.
The Water Content Paradox
This is one of the most counterintuitive things in contact lens science, and it trips up a lot of people. You would think that a lens with higher water content would be more comfortable for dry eyes. More water should mean more moisture, right?
Not exactly. High water content lenses (55% or more) feel great initially because they are very soft and flexible. But as they lose moisture throughout the day through evaporation, they try to rehydrate by pulling water from your tears. The higher the water content, the more aggressively the lens absorbs moisture from your eye to maintain its hydration level. For someone with a healthy tear film, this is fine because they have tears to spare. For someone with dry eyes, the lens ends up dehydrating the eye faster.
Lower water content lenses (38 to 46%) are less demanding on your tear film. They do not need as much moisture to maintain their shape, so they pull less from your eye. This is why some patients find that a lens marketed as "less hydrating" is actually more comfortable for them by the end of the day.
Silicone Hydrogel: The Material That Changed Everything
Silicone hydrogel lenses are the most significant advancement in contact lens materials in the last 20 years. Traditional hydrogel lenses deliver oxygen to the cornea by absorbing water (oxygen dissolves in the water and passes through). Silicone hydrogel delivers oxygen directly through the silicone component, which means the lens does not need to be high water content to keep your cornea healthy.
The result is a lens that has excellent oxygen transmission, lower water content (so it pulls less moisture from your eye), and maintains its hydration better throughout the day. For dry eye patients, silicone hydrogel dailies are usually the first thing we try, and they work well for the majority.
Some popular options in this category:
- Acuvue Oasys 1-Day — Silicone hydrogel with built-in wetting agent (HydraLuxe technology). Very popular for dry eye patients.
- Dailies Total1 — Water gradient technology where the surface is nearly 100% water while the core is lower water content. Exceptionally comfortable for dry eyes.
- BioTrue ONEday — Matches the water content of the natural cornea. Good option for mild dry eye.
Scleral Lenses: When Nothing Else Works
If you have moderate to severe dry eye and standard contact lenses simply do not work for you, scleral lenses are worth knowing about. These are large diameter rigid gas permeable lenses that vault over the entire cornea and rest on the white part of the eye (the sclera). The space between the lens and the cornea is filled with preservative-free saline, creating a fluid reservoir that bathes your cornea all day long.
For severe dry eye patients, sclerals can be transformative. Your cornea stays hydrated in its own little swimming pool, protected from the air. Some patients with conditions like Sjogren's syndrome or graft-versus-host disease can only wear contacts because sclerals exist.
The downsides: sclerals require a specialized fitting process that takes multiple visits. They are more expensive (typically $500 to $1,500 per lens). Insertion and removal take more time and practice than soft lenses. And they need to be cleaned and maintained carefully.
Sclerals are not the first option for most people, but they are a remarkable solution for those who need them.
Eye Drops and Contact Lenses: What Is Compatible?
You can use certain eye drops with contact lenses in, but you need to be careful about which ones.
- Safe with contacts: Preservative-free artificial tears. Look for single-use vials. Brands like Refresh Optive, Systane Ultra preservative-free, and TheraTears preservative-free are all safe to use with lenses in.
- Use before inserting lenses: Antihistamine drops (for allergies), preserved artificial tears, and any medicated eye drops. Put them in 10 to 15 minutes before your lenses go in.
- Never with contacts: Redness-reducing drops (like Visine Original). The vasoconstrictors interact badly with contact lens materials and can cause deposits.
A practical routine: put a preservative-free drop in each eye before inserting your lenses in the morning, carry a few single-use vials for midday if needed, and remove your lenses before any evening eye drops.
Other Things That Help
- Reduce wearing time. If you currently wear contacts for 14 hours, try taking them out after 10 and switching to glasses for the evening. Your eyes recover remarkably quickly once the lenses come out.
- Omega-3 supplements. Fish oil or flaxseed oil supplements (about 1,000 mg of combined EPA/DHA daily) have some evidence for improving tear quality. It takes about 3 months to see the effect.
- Address the underlying dry eye. If your dry eye is caused by meibomian gland dysfunction (the most common type), treating the root cause with warm compresses, lid hygiene, or clinical treatments will improve your contact lens comfort more than any lens change alone.
The Bottom Line
Dry eyes and contact lenses are not incompatible. The right lens material, the right replacement schedule, and a few lifestyle adjustments can keep most dry eye patients wearing contacts comfortably. Start with a silicone hydrogel daily disposable, use preservative-free drops as needed, and talk to your optometrist about treating the underlying dryness rather than just managing the symptoms at the lens level.
And if standard lenses truly do not work for you, scleral lenses exist as a proven, effective option. You have more choices than you might think.