Add your practice details to brand this guide and generate a shareable link for your patients. Your info is saved on this computer only.
Educational content only
This page is general patient education, not medical advice. It does not diagnose conditions, recommend specific treatments for you, or replace a conversation with your eye care provider. Always consult a qualified clinician before making decisions about your eye health.
Tiny stoppers that keep tears where you need them.
Punctal plugs are small medical devices — usually the size of a grain of rice — inserted into the tear-drainage openings (puncta) in the eyelid corners. By blocking the drains, they keep your natural tears on the eye's surface longer. The procedure takes minutes, generally requires no anesthesia, and most patients can't feel the plugs once they're in.
Types and timing
Three kinds — matched to the situation.
Trial run
Collagen plugs (temporary)
Dissolvable, typically lasting a few days to a few weeks. Used as a first step to see whether punctal occlusion will actually help your symptoms before committing to longer-lasting plugs. Also useful in early LASIK recovery.
Standard long-term option
Silicone plugs (semi-permanent)
Made of medical-grade silicone. Sit at the surface of the punctum with a small cap that's visible to your eye doctor for easy monitoring and removal. Most common type. Last for years if comfortable; easily removed with forceps in seconds if needed.
Deepest placement
Intracanalicular plugs
Inserted deeper into the tear duct (the canaliculus), invisible from the surface. Last longer but harder to remove if there's a problem — sometimes requiring a small procedure. Less commonly used today because of removal complexity.
When they help most
Aqueous-deficient dry eye
Patients whose dry eye is from low tear volume (including Sjögren's syndrome) typically respond well. Patients whose dry eye is primarily evaporative — from MGD or blepharitis — may need plugs combined with lid-margin treatment to see real benefit.
Tell us if
After plug insertion you notice persistent tearing (epiphora) — that means you're now making more tears than even the unblocked drain can handle, which is unusual. Also call if you feel a foreign-body sensation that doesn't fade in a few days, or if you develop redness or discharge suggesting an infection. Any plug can be removed in office in seconds.
Common questions
Honest answers to common questions.
Will I feel the plug?+
Most patients don't feel it at all once it's in. The puncta have very few pain-sensitive nerve endings, so the insertion itself is a brief sensation of mild pressure — typically described as 'odd, not painful.' Numbing drops can be used beforehand if you're anxious. Surface-level silicone plugs sometimes cause an awareness of the cap for the first day or two, which usually fades.
Do they hurt going in?+
No — the procedure typically takes 1-2 minutes per eye and doesn't require anesthesia in most cases. Some doctors apply numbing drops anyway as a comfort measure. You can drive yourself home immediately and resume all normal activities the same day.
How long do they last?+
Depends on the type. Collagen plugs dissolve in days to weeks. Silicone plugs can stay in for years — they're removed when you no longer need them, when they cause problems, or when they spontaneously fall out (the most common 'failure mode'). Intracanalicular plugs can last many years but require a procedure to remove.
Are they covered by insurance?+
Usually yes, when dry eye has been documented and tried with artificial tears first. Coverage varies — your eye doctor's office can verify benefits. Out-of-pocket cost typically runs from $200-600 per eye if uninsured, depending on plug type.
What if my eye starts watering after?+
This is rare but happens. It usually means we over-conserved — your eyes are now making enough tears that the partially-blocked drain can't keep up. The simple fix is to remove one plug (often the upper) to allow some drainage to return. Don't try to remove a plug yourself; come in to the office.