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Nasolacrimal duct: nasal puncta opening
Introduction
- Congenital nasolacrimal duct abnormalities are not uncommon and often involve atresia of the nasal or eyelid punctum Nasolacrimal duct: puncta - atresia .
- Medical treatments are only paliative.
- Surgical treatment is the treatment of choice.
Uses
- To establish the nasal or eyelid punctum of the nasolacrimal duct.
Advantages
- Highly effective especially in nasal puncta abnormalities.
- Relatively simple technique.
- Requires no specialist equipment.
Disadvantages
- Usually requires general anesthesia (GA).
- More difficult where multiple nasolacrimal duct abnormalities are present.
- Long-term post-operative care is essential to success.
Time required
Preparation
- GA induction Anesthesia: general - overview and maintenance: 20 min.
- Aseptic preparation of rostral head and nasal passage(s) plus external eye(s): 10-15 min.
Procedure
- Depending upon type and complexity of abnormality and whether uni- or bi-lateral: 15-75 min.
Decision taking
Criteria for choosing test
- See atresia of eyelid puncta, atresia of nasal puncta Nasolacrimal duct: puncta - atresia , misplaced eyelid puncta .
Risk assessment
- Risks of general anesthesia.
Requirements
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Preparation
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Technique
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Aftercare
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Outcomes
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