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Original Article

PAFMJ. 2018; 68(2): 245-249


BRIMONIDINE EFFICACY ON INTRAOCULAR PRESSURE CONTROL FOLLOWING ND: YAG LASER CAPSULOTOMY

Muhammad Asaad Saleem, Muhammad Manzoor, Asim Shehzad, Muhammad Ramzan, Saliha Hafeez, Khaula Atif.

Abstract
Objective: To determine the efficacy of 0.2% brimonidine eye drops on control of intraocular pressure following
Neodymium: Yttrium-Aluminum-Garnet (Nd: YAG) laser posterior capsulotomy.
Study Design: Quasi experimental study.
Place and Duration of Study: Study was conducted in department of Ophthalmology, Combined Military
Hospital Peshawar of six months duration from Oct 2013 to Mar 2014.
Material and Methods: A total of 182 patients were included in this study. One drop of 0.2% brimonidine one
hour prior to laser treatment was instilled in the eyes of patients. Cornea was anaesthetized with topical 0.5%
proparacaine hydrochloride. “Ocular instruments ® Abraham Capsulotomy YAG contact lens” was used along
with Q-switched Zeiss VISULAS YAG III (Nd: YAG) laser system to make a hole of 3-4mm in the posterior
capsule using minimum amount of total laser energy. Data were analyzed using SPSS version 15.0. Mean and
standard deviation was calculated for numeric variables like age and intraocular pressure at different occasions.
Frequency and percentage was calculated for categoric variable i.e. gender. Efficacy was stratified among age and
gender to see effect modifiers.
Results: The mean age of participants was 63.3 ± 7.7 years. Out of 182 patients, 109 (59.9%) were male while
remaining 73 patients (40.1%) were female. Brimonidine 0.2% eye drops proved effective in 162 patients (89.0%).
Stratification of age and sex with regard to efficacy of 0.2% brimonidine eye drops was carried out.
Conclusion: The use of 0.2% brimonidine has been proven effective to counteract the IOP increase following Nd:
YAG laser capsulotomy in this study.

Key words: Brimonidine, Capsular opacification, Nd: YAG laser, Posterior capsule of lens.



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