Artificial tears and lubricating eye drops are among the most commonly recommended treatments for dry eye symptoms. Patients often ask, “How often should I use them?” The answer depends on several factors, including the type of eye drop you’re using, the severity of your symptoms, and the underlying cause of your dry eye.

Understanding how and when to use artificial tears properly can make a big difference in comfort, eye health, and long-term symptom relief.

Why Artificial Tears Are Used

Artificial tears help supplement your natural tear film by adding moisture, improving lubrication, and stabilizing the surface of the eye. They can relieve symptoms such as:

· Dryness or burning

· Grittiness or a sandy feeling

· Redness

· Blurred vision that improves with blinking

· Eye fatigue, especially during screen use

While artificial tears are helpful, they work best when used correctly and as part of a personalized dry eye care plan.

How Often Can You Use Artificial Tears?

Occasional or Mild Dry Eye

If you experience dryness only occasionally - such as after prolonged screen time, air travel, or exposure to dry environments - you may only need artificial tears 1–2 times per day or as needed.

Moderate Dry Eye

For more persistent symptoms, many patients benefit from using artificial tears 3–4 times per day. Regular use helps maintain a healthier tear film rather than waiting for symptoms to worsen.

Severe or Chronic Dry Eye

Patients with chronic dry eye, meibomian gland dysfunction, or inflammatory conditions may need artificial tears every 1–2 hours, especially during symptom flares. In these cases, the type of drop used becomes especially important.

Preserved vs. Preservative-Free Drops

Preserved Artificial Tears

Drops containing preservatives are generally safe when used up to 3–4 times per day. However, frequent use can cause irritation or toxicity to the eye’s surface over time.

Preservative-Free Artificial Tears

Preservative-free drops are recommended if you:

· Use drops more than 4 times daily

· Have sensitive eyes

· Wear contact lenses

· Have moderate to severe dry eye

These drops can typically be used as often as needed without increasing the risk of irritation.

What About Redness-Relief Drops?

Redness-reducing drops are not the same as artificial tears. They temporarily constrict blood vessels and can actually worsen dryness if overused. These drops should only be used occasionally and not as a daily solution for dry eye symptoms unless specifically recommended by your eye doctor.

When Artificial Tears Aren’t Enough

If you find yourself needing eye drops constantly but still feel uncomfortable, this may be a sign of an underlying issue such as inflammation, poor oil gland function, or eyelid disease. Artificial tears alone may not address the root cause.

An eye exam can help determine whether additional treatments - such as prescription eye drops, eyelid hygiene, in-office therapies, or lifestyle changes - are needed for long-term relief.

Schedule Your Comprehensive Eye Exam at Optometry Medical Group

There is no one-size-fits-all answer to how often you should use artificial tears. Occasional dryness may only require minimal use, while chronic dry eye often needs frequent application with preservative-free options. The key is choosing the right type of drop and using it consistently based on your symptoms and eye health.  If you are relying on artificial tears multiple times a day or not getting lasting relief, it’s important to look beyond symptom management and identify the underlying cause.

If dry, irritated, or tired eyes are affecting your daily life, schedule a comprehensive eye exam at Optometry Medical Group.  Visit our offices in Seattle, Washington, or call (206) 322-6915 for our Rainier office, or call (206) 395-2285 for our Madison office.