Puncta detection and dilation

This operation is for patients with symptoms of lacrimal tears, lacrimal duct obstruction or diagnostic test for lacrimal passages. It is a diagnostic test and treatment for lacrimal passages. It is suitable for surgery for lacrimal duct stenosis, lacrimal duct dilatation, intubation, etc. Patient. Treatment of diseases: lacrimal passage obstruction Indication Due to the symptoms of tears, it is necessary to make a diagnostic examination of the lacrimal duct, or because of the narrowing of the lacrimal duct, it is necessary to perform surgery such as lacrimal duct dilatation and intubation. Preoperative preparation Surface anesthesia with punctum search and expansion. If necessary, inject 1% of dicaine into the capsule by 0.5 to 1 ml. Surgical procedure 1. The patient takes a sitting position and pulls the skin of the lower jaw with a finger. After seeing the nipple of the punctum, the position of the punctum is probed by a cone-shaped punctum dilator, and the dilator is turned to the side. Insert the punctum and insert 2mm. 2. Then turn the punctum dilator outward 90° to the horizontal position, such as 2mm in the normal nasal canal. When pushing, pull the lower jaw skin to the side of the jaw. The insertion method of the upper punctum is similar. complication If a false road occurs, in addition to daily antibiotic eye drops, antibiotics should be used systemically for 3 to 5 days to prevent infection.

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