Annals of Optometry and Contact Lens 2020;19(1):5-10.
Published online March 25, 2020.
약제로 잘 조절되는 원발개방각녹내장에서 수정체초음파유화술이 안압에 미치는 장기적 영향
이문형, 조경진, 박율리
단국대학교 의과대학 안과학교실
Long Term Effect of Phacoemulsification on Intraocular Pressure in Medically Controlled Primary Open Angle Glaucoma
Moon Hyung Lee, Kyong Jin Cho, Yuli Park
Department of Ophthalmology, Dankook University College of Medicine, Cheonan, Korea
Received: 16 December 2019   • Revised: 26 January 2020   • Accepted: 9 March 2020
Abstract
Purpose: To investigate the long-term effect of phacoemulsification on intraocular pressure (IOP) in patients with medically controlled primary open-angle glaucoma (POAG).
Methods: This is a retrospective review of 120 eyes with POAG who underwent uncomplicated phacoemulsification with longitudinal follow-up. Demographic, clinical, and biometric variables such as age, axial length, central corneal thickness, gonioscopic results, anterior chamber depth, IOP, number of glaucoma medications were evaluated at 1, 2, 3, and 4 years after surgery.
Results: Postoperative IOP change through 1, 2, 3, and 4 years of -1.47 ± 2.59, -1.21 ± 2.48, -1.15 ± 1.68, and -0.98 ± 1.53 mmHg was statistically significant (p < 0.01). The number of glaucoma medications remained unchanged (p = 0.18). Higher preoperative IOP was significantly associated with greater postoperative decrease in IOP (p < 0.001). Four years after phacoemulsification, 81.3% of the POAG eyes maintained the same number of glaucoma medications while 14.6% had a decrease and 5.1% of the eyes required additional glaucoma medications.
Conclusions: After 4 years of phacoemulsification in patients with medically controlled POAG resulted in a very small IOP decrease without a change in the number of glaucoma medications. These findings have important implications when considering cataract surgery in POAG eyes for IOP reduction.
Key Words: Cataract; Intraocular pressure; Phacoemulsification; Primary open angle glaucoma


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