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Lacrimal punctum plugs are useful in the treatment of dry eye syndrome by obstructing the lacrimal punctum to delay the drainage of tears thus allowing the lubricating tears to stay in the eye longer.

Corneal foreign body removal

Dilation of nasolacrimal punctum and probing of nasolacrimal duct, with or without irrigation are useful treatments when mechanical, inflammatory or infectious processes cause or contribute to obstruction of normal tear drainage resulting in epiphora (excess tearing) or persistent infection.

Probing of the nasolacrimal duct

Dilation of lacrimal punctum

Trichiasis, a very common lid abnormality, is defined as the misdirection of eyelashes toward the globe.