Beyond Artificial Tears: What Could Be Causing Your Dry Eyes

Artificial tears can provide welcome relief when your eyes feel dry, gritty, irritated, or tired. But if you find yourself reaching for eye drops throughout the day without lasting improvement, there may be more going on beneath the surface. Chronic dry eye often has an underlying cause that needs to be identified before you can find more effective, longer-lasting relief.

Why Artificial Tears May Not Be Enough

Healthy tears are more complex than simple moisture. Your tear film contains layers of water, oil, and mucus that work together to keep the surface of your eyes smooth and comfortable. When one of these components is out of balance, tears may evaporate too quickly or fail to adequately lubricate the eyes.

Artificial tears can temporarily add moisture, but they do not necessarily correct the problem causing your dry eye symptoms.

Common Causes of Chronic Dry Eye

Dry eye can develop for several reasons, and some people have more than one contributing factor. Common causes and triggers include:
 

• Meibomian gland dysfunction, which reduces the healthy oils needed to slow tear evaporation

• Eyelid inflammation or conditions such as blepharitis

• Long periods of computer or smartphone use that reduce normal blinking

• Dry air, wind, air conditioning, and other environmental conditions

• Certain medications that may decrease tear production

• Contact lens wear that contributes to dryness or irritation

• Age-related changes in tear production and tear quality

Finding the cause matters because dry eye treatment is not one-size-fits-all.

Meibomian Gland Dysfunction and Evaporative Dry Eye

One of the most common contributors to persistent dry eye is meibomian gland dysfunction, or MGD. Small glands along the eyelids normally release oils into your tears. These oils help prevent the watery layer of your tears from evaporating too quickly.

When the glands become blocked or their oils become thickened, the tear film can become unstable. You may still produce tears, but they disappear from the eye's surface too quickly. This can cause burning, fluctuating vision, redness, irritation, and even excessive watering.

Screen Time Can Make Dry Eyes Worse

Extended screen use can also contribute to dry eye symptoms. People tend to blink less frequently and less completely while concentrating on computers, tablets, and phones. Because blinking spreads fresh tears across the surface of the eye, reduced blinking allows more evaporation.

Taking regular screen breaks and making a conscious effort to blink fully can help, but persistent symptoms may indicate an underlying tear film or eyelid problem that needs professional evaluation.

Looking Beyond Temporary Dry Eye Relief

If artificial tears are no longer providing enough relief, a dry eye evaluation can help determine whether the problem involves tear production, excessive evaporation, eyelid inflammation, blocked oil glands, or another contributing factor. Once the source of your symptoms is better understood, your optometrist can recommend dry eye treatment tailored to your specific needs rather than relying on temporary lubrication alone.

Schedule your dry eye evaluation with Vision Source Coppell / Elliott Eye Associates in Coppell, TX, at (972) 393-8600 to find out what may be causing your symptoms and explore treatment options for lasting relief.