FREQUENCY OF INTRA OCULAR PRESSURE CHANGE AFTER LOW ENERGY AND HIHG ENERGY ND: YAG LASER POSTERIOR CAPSULOTOMY

Laser Capsulotomy And Intra Ocular Pressure

Authors

  • Najam ul Hassan Armed Forces Institute of Ophthalmology/National University of Medical Sciences (NUMS) Rawalpindi Pakistan
  • Amer Yaqub Armed Forces Institute of Ophthalmology/National University of Medical Sciences (NUMS) Rawalpindi Pakistan
  • Aisha Fawad Armed Forces Institute of Ophthalmology/National University of Medical Sciences (NUMS) Rawalpindi Pakistan
  • Syed Fawad Mashhadi Army Medical College/National University of Medical Science (NUMS) Rawalpindi Pakistan
  • Bareera Hakim Islamic International Medical College Rawalpindi Pakistan

Keywords:

High energy, Intraocular pressure, Low energy, Nd: YAG laser Posterior capsulotomy

Abstract

Objective: To compare frequency of rise in Intra Ocular Pressure (IOP) in patients undergoing low energy and high energy Nd: YAG laser posterior capsulotomy.
Study Design: Comparative, cross-sectional study.
Place and Duration of Study: Armed Forces Institute of Ophthalmology (AFIO), Rawalpindi from January 2013 to August 2013.
Material and Methods: One hundred and twenty patients fulfilling the inclusion criteria were enrolled in the study. Base line IOP was measured with the help of Goldman applanation tonometer. After dilating pupil, Nd: YAG laser posterior capsulotomy was performed, using minimum possible pulses of Nd: YAG laser. The total amount of energy used in the procedure was recorded. IOP was measured 4 hours after the procedure. Post laser frequency of change in IOP (5 mm of Hg from baseline) was calculated in low energy and high energy groups. Chi square test was applied to compare the frequency of raised IOP in both groups.
Results: Raised IOP was noted in 33 (27.50%) cases and this was more common in high energy group occurring in 22 (46.8 % ) as compared to low energy group 11 ( 15.1 % ).The p-value was found to be <0.05 and was statistically significant.
Conclusion: The results suggested that high energy levels used during Nd: YAG laser posterior capsulotomy had significantly more chances of raised IOP.

 

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Published

31-10-2016

How to Cite

1.
Hassan N ul, Yaqub A, Fawad A, Mashhadi SF, Hakim B. FREQUENCY OF INTRA OCULAR PRESSURE CHANGE AFTER LOW ENERGY AND HIHG ENERGY ND: YAG LASER POSTERIOR CAPSULOTOMY: Laser Capsulotomy And Intra Ocular Pressure. Pak Armed Forces Med J [Internet]. 2016 Oct. 31 [cited 2024 May 26];66(5):694-98. Available from: https://pafmj.org/PAFMJ/article/view/793

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