A Comparative Study of Intraocular Pressure in Angle-Closure Glaucoma Patients before and after Cataract Surgery
Keywords:
Angle-closure glaucoma, Intraocular pressure, Cataract surgeryAbstract
Introduction: The progression of glaucoma is most commonly caused by failure to control intraocular pressure.
Methods: This research was a prospective descriptive study. The objective of this study was to investigate different eye pressure positions, changes in eye pressure, and factors related to intraocular pressure in patients with angle-closure glaucoma before and after cataract surgery. The sample group consisted of 55 angle-closure glaucoma patients. The tools included a small pen-type intraocular pressure monitor and data records. Data were analyzed using descriptive statistics and paired samples t-test statistic.
Results: Results: 1) The intraocular pressures of preoperative and postoperative in the sitting position were lower than intraocular pressures in the supine position, two lateral positions (on the side and on the opposite side of the eye studied), and the prone position. 2) Phacoemulsification with posterior chamber intraocular lens implantation resulted in the decrease of eye pressure. 3) The intraocular pressure for the supine position was the lowest when compared to those performed by other positions with statistical significance.
Conclusion: From the results, patients should be advised to sleep in the supine position and avoid lateral decubitus or the prone position. It will reduce the progression of angle-closure glaucoma.
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