a prospective non-randomized study conducted upon 24 patients with severe lower punctual stenosis (grade 0 according to Kashkouli scale) attending at Menoufia University hospitals. The upper punctum and canaliculus were patent. All patients were complaining of epiphora and had a thorough ophthalmological examination including dye disappearance test, and slit-lamp examination. Pigtail probe was used from patent upper punctum to detect the lower stenosed punctum which was opened with a scalpel. Syringing of the lower lacrimal passages was done to confirm its patency and self retaining silicone bicanalicular stent was inserted. The silicone tube was left in place for 6 months before it was removed. Patients were then followed up for 1 year after the surgery.
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Degree of improvement of epiphora by Munk score
Timeframe: 1 year
Degree of improvement of lacrimal drainage by Dye disappearance test
Timeframe: 1 year
Slit lamp assesment of the state of the lower punctum
Timeframe: 1 year