Prevalence of Macular Abnormalities Identified Only on Optical Coherence Tomography in Korean Patients Scheduled for Cataract Surgery.

Published on Feb 18, 2021in Korean Journal of Ophthalmology
· DOI :10.3341/KJO.2020.0074
Seo-Yeon Hong (Catholic University of Korea), Seonjoo Kim4
Estimated H-index: 4
(Catholic University of Korea)
+ 0 AuthorsSo Hyang Chung10
Estimated H-index: 10
(Catholic University of Korea)
Purpose To assess the prevalence of macular abnormalities identified only on macular optical coherence tomography (OCT) which were not suspected by biomicroscopic fundus examination, and examine the clinical outcome of patients with these macular abnormalities during preoperative evaluation for cataract surgery in a large series of Korean patients. Methods Macular OCT was performed on patients scheduled for routine cataract surgery by the same physician at Seoul St. Mary's Hospital, between June 2018 and November 2019. The patients' medical records were reviewed retrospectively to obtain demographic data and the results of preoperative evaluation before cataract surgery. Patients were divided into two groups based on the preoperative macular OCT results: normal and abnormal OCT groups. Results Nine hundred eighty-seven eyes (698 patients) were included in this study. Macular OCT identified abnormalities in 44 eyes (4.5%) of 35 patients (5.0%). Twenty-one eyes (2.1%) had age-related macular degeneration, 20 eyes (2.0%) had epiretinal membrane, and 3 eyes (0.3%) had lamellar hole. Patients with macular abnormalities identified on macular OCT had a statistically significant higher mean age than those who had normal OCT findings (p-value < 0.001). Best corrected visual acuity was worse in patients with abnormal macular OCT after cataract surgery (p-value = 0.048). Conclusions In the preoperative evaluation for cataract surgery in Korean patients, 1 in every 20 patients had macular abnormalities identified only on macular OCT in spite of unremarkable macular findings on biomicroscopic funduscopy. Age was significantly higher in patients with abnormal macular OCT findings. Thus, inclusion of macular OCT examination in preoperative screening before routine cataract surgery would be beneficial.
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