Why Aren’t Artificial Tears Helping My Dry Eyes?

Artificial tears may not be helping because they supplement the tear film without necessarily correcting the problem that is causing it to become unstable.

Dry eye can result from inadequate tear production, excessive evaporation, meibomian gland dysfunction, eyelid disease, inflammation, incomplete blinking, ocular surface damage or several factors occurring together. If artificial tears do not address the primary cause of your symptoms, any relief may be incomplete or short-lived.

This does not mean artificial tears are ineffective. They remain an important part of dry eye care for many patients. However, they may need to be selected carefully and combined with treatment directed at the underlying condition.

What Do Artificial Tears Actually Do?

Artificial tears are designed to supplement some of the moisture, lubrication or protective components of the natural tear film. Depending on the formulation, they may:

• Add moisture to the ocular surface

• Reduce friction between the eyelids and eyes

• Temporarily stabilize the tear film

• Supplement the tear film’s protective oil layer

• Help protect irritated corneal and conjunctival tissue

• Temporarily improve blurry or fluctuating vision

• Rinse allergens or debris from the ocular surface
  
  

For mild or occasional symptoms, artificial tears may provide adequate relief. When dry eye is chronic, moderate to severe or driven by an untreated underlying condition, lubrication alone may not be enough.

Why Does the Relief Last for Only a Few Minutes?

An artificial tear can temporarily coat the surface of the eye, but blinking and normal tear drainage gradually remove it. If the natural tear film remains unstable, symptoms may return soon after the drop has drained or evaporated.

This commonly happens when the meibomian glands are not producing enough healthy oil. The oil layer normally slows evaporation. Without an adequate oil layer, both natural and supplemental tears may disappear from the ocular surface too quickly.

Using drops more frequently may provide repeated temporary relief, but it does not necessarily correct the gland obstruction or dysfunction causing the tears to evaporate.

Could I Be Using the Wrong Type of Artificial Tear?

Artificial tears are not all the same. Formulations may differ in their lubricating ingredients, viscosity, lipid content, preservatives and how long they remain on the eye.

A thin, water based drop may feel refreshing but disappear quickly. A lipid containing formulation may be more appropriate when excessive tear evaporation is a major contributor. Gels and ointments remain on the ocular surface longer but can temporarily blur vision and may be better suited for nighttime use.

The best formulation depends on the condition of the tear film, eyelids and ocular surface. Trying multiple products without knowing which part of the tear film is deficient can become frustrating and expensive.

Can Preservatives Make Dry Eye Symptoms Worse?

Preservatives help prevent contamination in multidose bottles, but some preservatives can irritate a sensitive or damaged ocular surface, particularly when drops are used frequently.

A patient may notice:

• Burning or stinging after applying the drop

• Increasing redness

• Relief that becomes shorter over time

• Greater sensitivity to other eye drops

• A feeling that the drops are making the eyes more irritated
  
  

Preservative free artificial tears may be preferred for patients who use drops frequently or have significant ocular surface sensitivity. However, preservative free does not automatically mean that a particular formulation is the right one for every patient.

Patients should also use eye drops exactly as directed, avoid touching the bottle tip to the eye or eyelashes and never use a product that appears contaminated or has been recalled.

What Conditions May Require More Than Artificial Tears?

Several common causes of dry eye are unlikely to respond fully to lubrication alone.

Meibomian Gland Dysfunction

The meibomian glands produce the oils that help keep tears from evaporating. When these glands become obstructed, inflamed or damaged, artificial tears may provide only brief relief because they do not restore normal gland function.

Blepharitis and Demodex

Bacterial overgrowth, eyelid debris and Demodex mites can contribute to inflammation along the eyelid margins. Artificial tears may rinse or soothe the eyes temporarily, but they do not eliminate the underlying eyelid condition.

Ocular Rosacea

Rosacea can affect the eyelids, meibomian glands and ocular surface. Patients may experience burning, redness, light sensitivity and fluctuating vision that persist despite frequent artificial-tear use.

Ocular-Surface Inflammation

Inflammation can disrupt tear production, tear-film stability and the health of the corneal surface. Lubrication may reduce friction, but additional treatment may be needed to manage the inflammatory component.

Incomplete Blinking or Eyelid Closure

The eyelids must close completely to distribute tears across the cornea. Incomplete blinking, prolonged screen use, sleeping with the eyes partially open and certain eyelid conditions can leave areas of the ocular surface exposed.

Inadequate Tear Production

Some patients do not produce enough of the watery portion of the tears. This may be associated with age, medications, hormonal changes, Sjögren’s disease or other systemic conditions. Artificial tears may help replace moisture, but additional methods of conserving or stimulating tears may be appropriate.

Conjunctivochalasis

Loose folds of conjunctival tissue can disrupt the normal movement and distribution of tears. Patients may experience irritation, watering or a sensation that artificial tears do not remain on the eye.

Corneal or Nerve Related Conditions

Persistent symptoms may occasionally involve corneal damage, abnormal corneal sensation or changes in how the eye’s nerves process discomfort. These conditions require careful evaluation because symptoms and visible clinical findings do not always match.

Why Do My Eyes Still Feel Dry If They Are Watering?

Excessive tearing does not always mean that the tear film is healthy. An unstable ocular surface can trigger reflex tearing, producing a sudden flow of watery tears.

These reflex tears may lack the balanced oil and mucus components needed to remain evenly distributed across the eye. The eyes can therefore water and still feel dry, irritated or gritty.

Artificial tears may not resolve the watering if eyelid disease, rapid evaporation, inflammation or a tear-drainage problem is contributing.

Why Do Artificial Tears Sometimes Improve My Vision but Not My Comfort?

Tears create the smooth optical surface needed for clear vision. Applying a drop may temporarily smooth the surface of the cornea and reduce fluctuating blur.

However, the same drop may not adequately address inflammation, eyelid disease, exposure or another source of discomfort. Conversely, a patient may experience improved comfort while continuing to have visual fluctuation because the tear film remains unstable.

Vision and comfort are related, but they do not always respond in the same way or at the same rate.

Does Needing Artificial Tears Frequently Mean My Dry Eye Is Severe?

Not necessarily. The frequency of drop use alone does not determine dry eye severity.

Some patients use drops frequently because of environmental exposure, screen use, contact lenses or habit. Others may have significant ocular surface disease but surprisingly few symptoms. Dry eye signs and symptoms do not always correspond closely.

If you are repeatedly applying drops without meaningful or lasting relief, the more useful question is not simply how often you use them. It is why your tear film cannot remain stable without them.

Should I Stop Using Artificial Tears?

Do not discontinue a recommended or prescribed eye drop without discussing it with your eye doctor.

Artificial tears may still be a helpful part of your treatment plan, even when they are not sufficient by themselves. Your doctor may recommend changing the formulation, switching to a preservative free product, adjusting the frequency or combining lubrication with treatment for the underlying cause.

Bring the products you currently use or photographs of their labels to your evaluation. The exact formulation and frequency can provide useful information.
Avoid relying on drops marketed primarily to “get the red out” unless your eye doctor has specifically recommended them. Redness relieving drops are not the same as lubricating artificial tears and may not be appropriate for ongoing dry eye management.

How Do We Determine Why the Drops Are Not Working?

A comprehensive dry eye evaluation examines more than whether the eye appears dry during a brief office visit.

At EnVision Dry Eye Center, testing may include:

• Meibography to examine the structure of the meibomian glands

• Noninvasive tear breakup time to measure how long the tear film remains stable between blinks

• Tear osmolarity to evaluate tear-film concentration and loss of homeostasis

• Fluorescein staining to identify tear-film instability and ocular-surface damage

• High-resolution slit-lamp imaging to document the eyelids, tear film and ocular surface

• Evaluation of eyelid closure, blink completeness, gland function, inflammation and tear distribution
  
  

These findings are considered alongside your symptoms, medical history, medications, contact lens use, previous eye procedures and response to past treatments.

The goal is to determine which factors are disrupting the tear film so treatment can be directed at those causes.

What Happens After the Cause Is Identified?

Treatment depends on the diagnosis. A personalized plan may focus on:

• Improving meibomian gland function

• Reducing excessive tear evaporation

• Managing blepharitis, Demodex or ocular rosacea

• Controlling ocular surface inflammation

• Conserving or stimulating natural tears

• Protecting an exposed or damaged ocular surface

• Supporting corneal healing

• Addressing tear distribution or lacrimal drainage problems

• Modifying medications, contact lens use or environmental factors when appropriate
  
  

Not every patient needs the same treatments. Artificial tears may remain part of the plan, but they should support the treatment strategy rather than substitute for an accurate diagnosis.

When Should Persistent Symptoms Be Evaluated?

Consider scheduling an evaluation if:

• You use artificial tears several times a day without lasting relief

• Your eyes burn or sting when drops are applied

• You have tried several brands without improvement

• Your vision fluctuates or briefly clears after blinking

• Your eyes feel dry even though they water

• Contact lenses have become increasingly uncomfortable

• Symptoms interfere with reading, computer use, driving or sleep

• Dry eye symptoms have persisted despite previous treatment
  
  

Seek prompt eye care for sudden vision loss, severe pain, significant redness, marked light sensitivity, an eye injury or symptoms that rapidly worsen.

Schedule a Comprehensive Dry Eye Evaluation

If artificial tears are no longer providing enough relief, continuing to try different bottles may not answer the most important question: what is causing your dry eye?

​​​​​​​At EnVision Dry Eye Center, Dr. Jason Besecker uses advanced diagnostic testing to evaluate the tear film, meibomian glands, eyelids and ocular surface. He then develops a personalized treatment plan directed at the factors contributing to each patient’s symptoms.

EnVision Dry Eye Center
3752 E Amity Avenue, Suite 103
Nampa, Idaho 83687
(208) 490-8823

Request a Comprehensive Dry-Eye Evaluation