Zubair Iqbal Bhutta, Ali Husnain Sheikh, Muhammad Dawood Saleem, Shuman Roy.
Comparative study of endoscopic vs external dacryocystorhinostomy..
J Allama Iqbal Med Coll Jan ;19(4):1005-7.

Objective: To compare the success rate of external and endoscopic dacryocystorhinostomy (DCR) in patients with nasolacrimal duct obstruction Methods: Total 80 patients were divided into two groups of 40 patients in each group. Group 1 underwent external DCR while group 2 underwent endoscopic DCR in Akhtar Saeed Trust hospital from 1/2/2017 to 31/1/2020. Results: The success rate of endoscopic group was compared with the external group in regular follow-up after 7th post-op day, one month, 3 months, 6 months and one year. All the data was entered and analyzed with SPSS version 20. Quantitative variable like age was presented by calculating mean and standard deviation. Qualitative variables were presented by calculating frequencies and percentages Conclusion: The success rate in terms of relief of epiphora was found better in endoscopic group (92.5%) as compared to external group (85%)

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