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The nasolacrimal canal is placed at the anterior part of the inferior lateral wall of the orbit and opens to the inferior nasal meatus. The canal can be obstructed by acquired diseases such as dacryocystitis and post-traumatic epiphora due to nasoorbitoethmoidal fractures. Furthermore in nasolacrimal canal obstructions, dacryocystorhinostomy with balloon dilatation is used frequently. In evaluation...
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