Study of early changes in intraocular pressure following phacoemulsification

Shu, Chaw Lee and Kueh, Adeline and Chien, Joo Lim and Ching, Wei Lim and Siew, Leng Ting (2018) Study of early changes in intraocular pressure following phacoemulsification. Medical Journal of Malaysia, 73 (Supp 2). p. 1. ISSN 0300-5283

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Abstract

: To evaluate early postoperative changes in intraocular pressure (IOP) following phacoemulsification and intraocular lens (IOL) implantation. Method: This retrospective and observational study included 100 patients with normal IOP underwent uneventful standard phacoemulsification procedure for senile cataracts at Sarawak General Hospital over a period of six months from July 2017 to December 2017. Patient's data were retrieved from Eye Clinic records. All patients were checked for IOP with Goldmann tonometry during pre-operative assessment and one month postoperatively. Patients with pre-existing IOP related ocular disease or intraocular surgery were excluded. Effects of age, gender, comorbidity of diabetes mellitus and hypertension, eye laterality, ocular axial length and pre-operative IOP on post-operative IOP reduction were analysed. Results: Phacoemulsification was found to reduce IOP by mean of 1.07 mmHg, which was statistically significant (P < 0.001). A larger IOP reduction was seen in cases with a higher pre-operative IOP (P < 0.001). No statistically significant differences were identified in age, gender, comorbidity of diabetes mellitus or hypertension, eye laterality, and ocular axial length in correlation with postoperative IOP reduction (P > 0.05). Conclusion: Phacoemulsification had a significant IOP-lowering effect in normal subjects, in particular in higher pre-operative IOP. There was no correlation between age, gender, comorbidity of diabetes mellitus or hypertension, eye laterality, and ocular axial length to IOP reduction following hacoemulsification.

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