Intraocular Pressure Changes after Nd-Yag Laser Posterior Capsulotomy in a Tertiary Care Hospital of Haryana

doi:10.5281/zenodo.8229363

International Journal of Medical and Pharmaceutical Research

2023, Volume-4, Issue-4 doi: 10.5281/zenodo.8229363

Original Article

Intraocular Pressure Changes after Nd-Yag Laser Posterior Capsulotomy in a Tertiary Care Hospital of Haryana

Renu

Kanav Gupta

Brij K. Gupta

Soni Tarun

DOI : 10.5281/zenodo.8229363

Published

Aug. 4, 2023

Abstract

Background: Posterior capsular opacification (PCO) is still one of the most common complication following cataract surgery. Although Nd-Yag laser is safe and effective, complications such as rise in intraocular pressure, cystoids macular odema and retinal detachment can occur after Nd-yag laser capsulotomy.

Material and Methods: A retrospective, observational study was conducted to evaluate the changes in the IOP after Nd-Yag laser capsulotomy in 200 eyes over a period of one year in a tertiary care hospital of Haryana. After assessing the visual acuity and posterior capsule opacification (PCO), IOP was measured with Applanation tonometry. Posterior capsulotomy was done with ND Yag laser. Post procedure IOP was measured after 24 hours, 1 week and 1 month.

Results: The mean IOP at baseline before posterior capsulotomy was 13.31 mmHg, then after capsulotomy at 24 hr 17.42 mmHg; 14.27 mmHg at 1 week and 13.40 mmHg at 1 month. There was a statistically significant (p=0.001) p value. We divided the patients into two groups according to energy level used in group one <2 millijoule and in group two energy level 2-4 millijoule, similarly we divided the patients into two groups according to no. of shots , in one group shots between 5-15 in another group 15-26 shots. We find a correlation between the increase in IOP with the energy level used and no. of shots, as p value was found statistically significant. We found that in about 7 patients PCO was thick and no of shots and energy level was used more and after the procedure IOP was raised even after 1 week, so along with timolol maleate 0.5%, latanoprost 0.005% was also given to these patients to lower the IOP.

Conclusion: Nd-Yag laser is still the gold standard treatment for posterior capsular opacification (PCO). There is a transient rise of IOP after the Nd-Yag laser capsulotomy mainly in 24 hrs and within 7 days but it comes to normal limits within 1 month. The rise of IOP depend upon the energy level and no of shots used during capsulotomy. The rise of IOP can be controlled with antiglaucoma drugs.

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