THE MERCK MANUAL: The Merck Manual of Diagnosis and Therapymultimedia

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  • Keratoconjunctivitis Sicca
  • Punctum Plug

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    Punctum Plug

    Plugging of the nasolacrimal punctum is one strategy for decreasing tear drainage off the eye surface as a treatment for keratoconjunctivitis sicca.

    Image courtesy of Professor J. Wollensak via the Online Journal of Ophthalmology (