Punctal Plug
Plugging of the nasolacrimal punctum (arrow) is one strategy for decreasing tear drainage off the eye surface as a treatment for keratoconjunctivitis sicca.
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Plugging of the nasolacrimal punctum (arrow) is one strategy for decreasing tear drainage off the eye surface as a treatment for keratoconjunctivitis sicca.
© Springer Science+Business Media