Why Over-the-Counter Eye Drops Aren't Fixing Your Dry Eyes

The Drop Cycle

It usually starts the same way. Your eyes feel dry, scratchy, or irritated, so you grab a bottle of artificial tears from the pharmacy. It helps for an hour or two — then the discomfort comes back. So you use them again. And again. Before long, you're going through a bottle a week and wondering why nothing's really improving.

You're not doing anything wrong. The drops just aren't treating the cause.

Dry eye disease is one of the most common reasons people visit an eye doctor, and it's far more complex than most people realize. The Tear Film and Ocular Surface Society defines it as a multifactorial disease involving tear film instability, inflammation, and surface damage — not just "dry eyes." And a meta-analysis published in JAMA Ophthalmology found that meibomian gland dysfunction, a condition most patients have never heard of, is present in over 20% of the U.S. population.

What's Actually Going On

Your tears have three layers — an oily outer layer, a watery middle layer, and a mucus layer closest to the eye. Each plays a role in keeping your eyes comfortable and your vision clear.

Most over-the-counter drops only add moisture to the watery layer. But for the majority of dry eye patients, the real issue is the oil layer. When the meibomian glands in your eyelids become blocked or stop functioning properly, the oily layer breaks down and your tears evaporate too quickly — no matter how many drops you add.

This is called evaporative dry eye, and it's the most common form. Other contributing factors include chronic inflammation, screen habits, medications, hormonal changes, and environmental conditions.

What a Proper Dry Eye Evaluation Looks Like

A comprehensive dry eye evaluation goes beyond asking if your eyes feel dry. It includes assessing your tear quality, tear breakup time, meibomian gland function, and the overall health of your ocular surface. This kind of evaluation identifies the root cause — not just the symptom — so treatment can be targeted.

Depending on what's driving your dry eye, your treatment plan might include prescription drops that address inflammation, warm compress therapy, changes to your screen habits or environment, nutritional support, or in-office treatments like low-level light therapy (LLLT), which helps restore meibomian gland function at the source.

Most over-the-counter drops only add moisture — they don't treat the inflammation or gland dysfunction that's actually causing your dry eyes.

When to Stop Self-Treating and See Your Eye Doctor

If any of the following sound familiar, it's time for a professional evaluation:

• You use artificial tears multiple times a day and symptoms keep returning
• Your eyes burn, sting, or feel gritty — especially by the end of the day
• Your eyes water constantly (yes, watery eyes are a sign of dry eye)
• You've tried multiple brands of drops with no lasting relief
• Your symptoms are affecting your ability to wear contact lenses, work on screens, or drive comfortably

The Bottom Line

At Eyes on Litchfield, we don't just hand you a sample of eye drops and send you on your way. We perform a thorough dry eye evaluation to understand what's happening with your tear film and your glands — and we build a treatment plan around the actual cause. From at-home care to advanced in-office treatments like LLLT, we're equipped to provide relief that lasts.

Tired of drops that don't work? Schedule your dry eye evaluation today.