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Year : 2009  |  Volume : 2  |  Issue : 3  |  Page : 111-113

Changes in intraocular pressure after clear corneal phacoemulsification in normal patients

Department of Ophthalmology, University Hospital, Hassan II, Fez, Morocco

Correspondence Address:
Salima Bhallil
BP 2830 CP30000, Fès Principal, Department of Ophthalmology, Hassan II Hospital Fez
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0974-620X.57309

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Purpose : To evaluate changes in intraocular pressure (IOP) after clear corneal phacoemulsification (CCP) in normal patients. Materials and Methods : A prospective study including 273 normal patients selected for cataract extraction by CCP. Intraocular pressure was recorded on the 15 th day, l st , 2 nd , 3 rd month and 6 months after surgery. Statistical Analysis : For statistical analysis, Epi Info was used to determine the statistical significance of changes in IOP. Results : The mean age of 96 women and 177 men was 71 ± 12 years. The mean IOP before surgery was 14.18 ± 3.4 mmHg. Our patients showed a mean decrease in IOP of 2.25 mmHg (16%) compared to preoperative values. Change in IOP was not related to lens thickness (P = 0.12), but significantly correlated with change in anterior chamber depth (ACD) (P = 0.002). The postoperative IOP was inversely related to preoperative ACD (P = 0.012). Age, sex and axial length were not significantly related to IOP reduction (P = 0.2-0.5) Conclusion : CCP was associated with a statistically significant reduction in IOP. The exact mechanism by which cataract surgery results in IOP reduction is unclear. CCP can be performed with the intent of achieving better IOP control.

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