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PLoS By Category | Recent PLoS Articles
Ophthalmology - Surgery

Primary Phacoemulsification and Intraocular Lens Implantation for Acute Primary Angle-Closure
Published: Tuesday, May 24, 2011
Author: Wei-Wen Su et al.

by Wei-Wen Su, Phil Yeong-Fung Chen, Ching-Hsi Hsiao, Henry Shen-Lih Chen

Background

To investigate the effect of primary phacoemulsification on intraocular pressure (IOP) in patients with acute primary angle-closure (PAC) and coexisting cataract.

Methodology

Sixteen eyes of 14 patients with acute PAC received phacoemulsification and intraocular lens implantation as initial management for medically uncontrolled IOP in a retrospective chart review. The effects on IOP, vision, anterior chamber depth (ACD), and number of antiglaucoma medications were evaluated.

Principal Findings

The postoperative IOP was reduced in 16 eyes (100%). The mean ± standard deviation preoperative IOP was 48.81±16.83 mm Hg, which decreased postoperatively to 16.46±10.67 mm Hg at 1 day, 9.43±3.03 mm Hg at 1 week, 9.49±2.14 mm Hg at 2 weeks, 10.78±3.56 mm Hg at 1 month, and 10.70±2.80 mm Hg at 3 months (p<0.001). The mean number of antiglaucoma medications decreased from 3.56±1.14 to 0.13±0.34 (p<0.001). The average preoperative ACD was 2.08±0.35 mm, which increased to 3.59±0.33 mm after surgery (p<0.001). Visual acuity (converted into logarithm of the minimum angle of resolution [logMAR]) improved from 1.14±0.71 to 0.73±0.53 (p?=?0.001).

Conclusions

Primary phacoemulsification plus intraocular lens implantation lowered IOP, reduced the use of antiglaucoma medications, and improved vision in patients with acute PAC. This is a safe and effective method of IOP control and can be considered a first treatment option in managing patients with acute PAC and coexisting cataract.

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