Write the advantage of endoscopic DCR over conventional open DCR.

  1. No external scar.
  2. No disruption of medial canthal ligament and preservation of pumping action of arbicularis muscle. Thus procedure is functional DCR.
  3. No injury to angular facial vessels
  4. Shorter operative time.
  5. Acute infection is not a contraindication for endoscopy surgery.
  6. Simultaneous correction of septal and paranasal sinus pathology possible.
  7. Superior for revision cases.
  8. Lacrimal sac mucosa is preserved.
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