The effect of Nd

Abstract

Background Regarding the Nd : YAG laser capsulotomy, various complications were reported, such as intraocular lens dislocation, cystoid macular edema, and rise in the intraocular pressure (IOP). The influence of capsulotomy size on the spherical equivalent (S/E), IOP, and the central macular thickness (CMT) after the procedure is controversial. Therefore, carrying out a capsulotomy opening with optimum size and site is slightly challenging. Aim The study aimed to evaluate the influence of the Nd : YAG laser posterior capsulotomy size on S/E, IOP, and CMT. Patients and methods A total of 40 pseudophakic eyes of 40 patients treated with Nd : YAG laser capsulotomy for posterior capsular opacification were evaluated preoperatively and 1, 4, and 12 weeks after the procedure. The patients were divided into two groups based on the postprocedural size of the capsulotomy opening. The two groups were studied based on the changes in the S/E, best-corrected visual acuity, IOP, and CMT after the capsulotomy. Results There was a statistically significant and stable improvement in the best-corrected visual acuity after the procedure in the two groups over the whole period of follow-up (P<0.001). There was no statistically significant change in the S/E and CMT in both groups after the procedure. However, there was a statistically significant increase of the IOP, but within normal limits, at the second visit (1 week after capsulotomy) in the two groups (P<0.001). Conclusion The Nd : YAG laser posterior capsulotomy is a safe and effective procedure to treat the posterior capsular opacification. The study found no significant change in the refraction, no serious elevation in the IOP, and no significant increase in the CMT over the short-term follow-up in the two groups.