ISSN 2398-2969      

Micropunctum

icanis
Contributor(s):

David L Williams

Synonym(s): Microlacrimal punctum


Introduction

  • Cause: variation of imperforate punctum - congenital abnormality of lacrimal system more common in the lower punctum.
  • Signs: epiphora common - may have rust-coloured staining of hair at medial canthus.
  • Diagnosis: delayed fluorescein drainage.
  • Treatment: surgery if required.
  • Prognosis: good.

Pathogenesis

Etiology

  • Congenital.

Pathophysiology

  • Congenital narrowing of lacrimal punctum → epiphora (tear overflow).

Timecourse

  • Usually not seen >8 weeks old.

Diagnosis

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Treatment

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Outcomes

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Further Reading

Publications

Refereed papers

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