Factors Augmenting the Success Rate of Probing for Congenital Nasolacrimal Duct Obstruction (CNLDO) in Children

Afrina Khanam, Md. Nasimul Gani Chowdhury, Farzana Akter Chowdhury, Tasmin Akter, Musharrat Alam Tarin and Sabina Yeasmin
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Afrina Khanam: Chief Consultant, Chittagong Eye Infirmary & Training Complex (CEITC), Chattogram, Bangladesh
Md. Nasimul Gani Chowdhury: Resident, Institute of Community Ophthalmology (ICO), Chittagong Eye Infirmary & Training Complex campus, Chattogram, Bangladesh
Farzana Akter Chowdhury: Consultant, Chittagong Eye Infirmary & Training Complex (CEITC), Chattogram, Bangladesh
Tasmin Akter: Assistant Surgeon, Chittagong Eye Infirmary & Training Complex (CEITC), Chattogram, Bangladesh
Musharrat Alam Tarin: Assistant Surgeon, Chittagong Eye Infirmary & Training Complex (CEITC), Chattogram, Bangladesh
Sabina Yeasmin: Resident Medical Officer, Chittagong Eye Infirmary & Training Complex (CEITC), Chattogram, Bangladesh

International Journal of Research and Scientific Innovation, 2025, vol. 12, issue 1, 470-475

Abstract: Purpose: To determine the pre-operative, intra-operative and post-operative factors influencing the success rate of probing for Congenital Nasolacrimal Duct Obstruction in children. Methods: It is a retrospective review of 200 eyes of 100 patients with Bilateral Congenital Nasolacrimal Duct Obstruction who underwent probing under General Anaesthesia. Data were recorded on age, sex, pre-operative, intra-operative and post-operative factors. All the patients were reviewed on one week, one month and three months interval. Success was defined as complete resolution of watering after 3 months of probing. Results: Age range was 1-3 years. Average age was 2.0±0.3 years. Complete resolution of watering took place in 180 eyes (90%) of 90 patients. Watering persists after probing due to canalicular fibrosis (3 eyes, 1.5%), bony deformity (2 eyes, 1%), chronic dacryocystitis (12 eyes, 6%) and mucocele (3 eyes, 1.5%). Conclusion: By evaluating and managing the pre-operative, intra-operative and post-operative factors properly success rate of probing can be increased.

Date: 2025
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