Punctal plugs are microscopic blockers that are inserted into the tiny openings in the inner eyelids known as punctae, where the tears drain.  These can be helpful for patients who suffer from dry eye symptoms due to reduced quanity of tears and which eye drops alone cannot relieve.  In order to understand how punctal plugs work to alleviate the symptoms of dry eye, it’s helpful to know a little about the anatomy of the eye. Natural tears in the eye …
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