Dry eye does not always improve with artificial tears alone. If your eyes have trouble retaining enough moisture on their surfaces, your eye doctor may recommend punctal plugs as an additional treatment option.
Punctal plugs are tiny devices placed into the openings that normally drain tears from your eyes. By slowing or blocking this drainage, punctal plugs help your natural tears and lubricating eye drops stay on the surface of your eyes longer. This can provide more lasting moisture and may reduce dry eye symptoms.
Your eyes constantly produce tears to keep the surface moist, comfortable, and protected. Each time you blink, your eyelids spread those tears across the surface of your eyes.
The tears eventually drain through tiny openings called puncta, located near the inner corners of your upper and lower eyelids. From there, the tears travel through the tear drainage system toward the nose.
This drainage process is normal. However, if your eyes do not produce enough tears to begin with, allowing those tears to drain normally leaves the eye's surface without enough moisture.
A punctal plug is placed into a punctum to partially or completely block that drainage opening. Once a plug is in place, tears drain away more slowly. More moisture remains on the surface of the eye between blinks, including both your natural tears and the lubricating drops you use.
For some people with dry eye, keeping this moisture on the eye longer reduces dryness, burning, irritation, and other symptoms. However, punctal plugs do not cause your eyes to produce more tears. Instead, they help you hold on to more of the moisture your eyes already have.
Whether punctual plugs are a good option depends on what is causing your dry eye and how you have responded to other treatments.
Dry eye develops for different reasons. With aqueous-deficient dry eye, your eyes do not produce enough of the watery portion of your tears. Slowing tear drainage may be helpful because it allows the limited tears you produce to stay on your eyes longer.
Evaporative dry eye is different. Your eyes produce tears, but they evaporate too quickly. This is often related to problems with the meibomian glands, which produce oils that help keep tears from evaporating.
If poor tear quality or rapid evaporation is the main problem, simply slowing drainage may not address the underlying cause. Your treatment may also need to focus on improving tear quality, reducing inflammation, or treating MGD.
Artificial tears are often among the first treatments people use to manage dry eye symptoms. They add moisture to the eye's surface, but the relief may not last long enough for everyone.
If you continue to experience dryness, burning, irritation, or fluctuating vision despite using lubricating drops, your eye doctor may recommend additional treatment, such as punctal plugs.
This does not mean punctal plugs are automatically the next step when artificial tears are not enough. Your doctor needs to understand why your eyes are dry first.
An eye exam helps your doctor determine what is contributing to your symptoms before recommending treatment. Rather than focusing on dryness alone, your doctor assesses several parts of your tear system.
The goal is to answer questions such as: Are your eyes producing enough tears? Are those tears evaporating too quickly? Is inflammation contributing to your symptoms? Are your meibomian glands producing enough oil?
Those answers help determine whether punctal plugs make sense or whether another dry eye treatment should be considered, as outlined below.
|
Treatment |
Primarily does what? |
Makes sense when... |
|
Artificial tears |
Adds lubrication |
Eyes need supplemental moisture |
|
Punctal plugs |
Slows tear drainage |
Tears are draining faster than desired |
|
Prescription drops |
Targets specific dry eye processes depending on medication |
Inflammation or tear production needs treatment |
|
IPL |
Targets factors associated with MGD/evaporative dry eye |
Oil gland dysfunction contributes to evaporation |
For more on different dry eye treatments, read our following guides:
Punctal plugs come in temporary and longer-lasting options. Your eye doctor will recommend a type based on your dry eye symptoms, treatment goals, and how long tear drainage needs to be reduced.
Temporary plugs are made from materials that gradually break down and are absorbed by the body, like collagen. These plugs can last anywhere from 4 to 14 days.
An eye doctor may use a temporary plug when tear drainage only needs to be reduced for a limited period. Temporary plugs also help show how your eyes respond to punctal occlusion (aka blocking) before a longer-lasting option is considered.
Because these plugs dissolve on their own, they typically do not need to be removed.
Longer-lasting plugs are commonly made from materials such as silicone. Unlike dissolvable plugs, they are designed to remain in the punctum for an extended period.
These plugs may be considered when longer-term tear retention is appropriate, and a patient has responded well to punctal occlusion. However, “long-term” does not necessarily mean permanent. An eye doctor will generally remove the plug if it causes problems or is no longer needed.
Getting punctal plugs is typically a short, in-office procedure.
Your eye doctor first determines the appropriate type and size of punctal plug for your eye. Depending on the type of plug, the punctum may also be measured or gently widened before placement.
The doctor then inserts the plug into the punctum using a small instrument. You may feel some pressure or brief discomfort during placement, but the procedure is usually completed within a few minutes.
You can generally return to normal activities shortly after your punctal plugs are inserted. Some people initially notice the plug or experience mild irritation as their eyes adjust. Ideally, a properly fitted plug should not remain noticeably uncomfortable.
How quickly you notice an improvement varies. Some people experience relief relatively soon because tears begin staying on the eye longer once drainage is reduced. Your doctor may also evaluate your response over time to determine whether the plugs are providing enough relief and staying in the proper position.
Follow-up recommendations depend on the type of plug and your dry eye treatment plan. These visits allow your doctor to check the plug placement and assess whether your symptoms have improved.
Punctal plugs are generally well tolerated, but side effects can occur. Knowing what is expected after placement and what may signal a problem will help you know when to contact your eye doctor.
Mild awareness or irritation can occur shortly after a punctal plug is inserted, but should resolve over time. This is different from persistent or worsening discomfort.
A plug that does not fit or sit properly can continue to irritate the eye. Less commonly, inflammation or infection can develop around the punctum or tear drainage system.
Contact your eye doctor if you develop ongoing pain, significant redness or swelling, discharge, or other symptoms that seem to be worsening rather than improving.
Punctal plugs reduce the amount of tears draining away from your eyes. Sometimes they can retain more moisture than you need, causing watery eyes or tears that spill over the eyelid.
Persistent excessive tearing may mean that tear drainage has been reduced too much. Your eye doctor can evaluate the plug and determine whether an adjustment or removal is appropriate.
Punctal plugs can occasionally shift position or fall out. You may notice a change in how the plug feels, but some people do not notice when one is lost.
If you are wondering how to tell whether a punctal plug has fallen out, a return of your previous dry eye symptoms may be one clue. However, symptoms alone cannot confirm whether the plug is still in place.
Your eye doctor can examine the punctum and check the plug's position. Avoid trying to reposition, remove, or replace a punctal plug yourself.
The cost of punctal plugs varies based on the type of plug, how many plugs you need, your provider, and your insurance coverage. For this reason, there is no single price that applies to every patient.
Before treatment, ask your eye care provider about expected costs and check with your insurance company to understand what your plan covers and what you may need to pay out of pocket.
Punctal plugs may be a helpful option for certain patients dealing with dry eye. However, they are not a one-size-fits-all solution. If you are still experiencing dry eye discomfort despite using artificial tears or other home treatments, a comprehensive eye exam can help identify the cause.
For ongoing symptoms such as dryness, burning, irritation, or blurred or fluctuating vision, schedule a dry eye evaluation with Heart of Texas Eye Care or call us at (512) 213-2220 to explore the best options for lasting relief.
We help patients in Dripping Springs, Austin, Kyle, Bee Cave, Marble Falls, and other surrounding areas.