Five Misconceptions Related to Punctal Plugs in Dry Eye Management

Cornea
Jong Suk SongHyo Myung Kim

Abstract

Punctal plugs are an effective treatment option for patients with aqueous-deficient dry eye refractory to topical medications. However, punctal plugs are not commonly used in clinical practice mainly because of various misconceptions, rather than clinical complications. We analyzed previous studies and present 5 misconceptions related to punctal plugs. The first and most important misconception is that ocular surface inflammation should be sufficiently controlled before punctal plug insertion. However, it is unclear how ocular surface inflammation can be sufficiently controlled in patients refractory to conventional topical medications. The second misconception is that silicone punctal plugs are made of nonabsorbable materials and, therefore, permanent. In fact, silicone plugs are reversible and can be easily removed if necessary. Therefore, depending on the specific type, nonabsorbable plugs may be classified as reversible or permanent. The third misconception is that punctal plugs disrupt normal tear drainage. However, punctal plugs maintain natural tears on the ocular surface for extended periods and reduce the frequency of artificial tear use. The fourth is that all punctal and canalicular plugs have similar effects. The ef...Continue Reading

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Citations

Jan 18, 2021·Drug Delivery and Translational Research·Onyinye J UwaezuokeYahya E Choonara
Jan 15, 2020·Journal of Ocular Pharmacology and Therapeutics : the Official Journal of the Association for Ocular Pharmacology and Therapeutics·Xiaolan ChenAlan S Verkman
Jan 7, 2021·Clinical & Experimental Ophthalmology·Shokufeh TavassoliElsie Chan
Jan 30, 2019·Journal français d'ophtalmologie·A-L BestA Rousseau
Mar 19, 2019·Journal français d'ophtalmologie·A-L BestA Rousseau

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