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  • Title: Effect of phacoemulsification on intraocular pressure in eyes with pseudoexfoliation: single-surgeon series.
    Author: Shingleton BJ, Laul A, Nagao K, Wolff B, O'Donoghue M, Eagan E, Flattem N, Desai-Bartoli S.
    Journal: J Cataract Refract Surg; 2008 Nov; 34(11):1834-41. PubMed ID: 19006727.
    Abstract:
    PURPOSE: To assess the effect of phacoemulsification with posterior chamber intraocular lens (IOL) implantation performed by a single surgeon on intraocular pressure (IOP) and glaucoma medication requirements in pseudoexfoliation (PFX) eyes with or without glaucoma. SETTING: Private practice, Boston, Massachusetts, USA. METHODS: This retrospective analysis comprised 1122 eyes with PFX having uneventful phacoemulsification with IOL implantation. Of the eyes, 882 did not have glaucoma (PFX group) and 240 had glaucoma (PXG group). A comparative outcomes analysis was performed; the analysis focused on IOP and change in glaucoma medication requirements between the 2 groups. RESULTS: The mean IOP was statistically significantly reduced through 7 years postoperatively compared with preoperatively in the PFX group. The PXG group had reduced mean IOP for 1 year and reduced glaucoma medication requirements at almost all postoperative time intervals. Higher mean preoperative IOP was associated with a greater reduction in mean IOP postoperatively in both groups. Intraocular pressure spikes (> 30 mm Hg) 1 day postoperatively occurred in 4% in the PFX group and 17% in the PXG group. Postoperatively, 2.7% of PFX eyes progressed to a need for glaucoma medication and 3.7% of PXG eyes progressed to a need for laser and/or glaucoma surgery. CONCLUSIONS: A long-term reduction in mean IOP occurred in PFX eyes with and without glaucoma. The IOP reduction was proportional to the preoperative IOP; higher preoperative IOP was associated with a greater reduction in IOP. Glaucoma progression in both groups was low, suggesting a protective effect of phacoemulsification on IOP in these eyes.
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