Introduction:Study aimed to see the visual outcome after Nd–YAG laser Capsulotomy in posterior capsular opacity at M.L.B. Medical college Jhansi uttarpradesh and to study Correlation between PCO and visual acuity before and after Nd:YAG laser posterior capsulotomy. Material and Methods: Nd: YAG laser capsulotomy was carried out in 160 eyes of 160 patients. It was a hospital based prospective study on outpatient basis who underwent extra capsular cataract extraction with PCIOL implantation elsewhere diagnosed PCO by red reflex evaluation by retinoscopy. PCO followed ECCE with PCIOL implantation with decreased BCVA of two or more lines. Results: Out of 160 patients (160 eyes) overall visual outcome after Nd–YAG laser capsulotomy is 95%.There sex predilection was not present among the patients who developed PCO and were treated with Nd YAG laser. Males were 88 and females were 72. Most patients 72.5% were in the 41– 80years age range. A large proportion of these patients 70% had the diagnosis of PCO between 3–12 months post–surgery. Majority of the patients, 75% presented with visual acuity of <3/60 before the laser procedure while this reduced to 5% post laser procedure. Conclusion: Nd: YAG laser capsulotomy is a safe and effective method to treat PCO. It is non–invasive and avoids all the complications associated with surgical capsulotomy and local anaesthesia.