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Abstract #107905 Published in IGR 23-4
Normotensive Glaucoma in the Fellow Eye of Patient with Unilateral Pseudoexfoliation
Shin DY; Park CK; Jung KI; Park HYL; Lee NYJournal of clinical medicine 2023; 12:
PURPOSE: To investigate the characteristics of normotensive glaucoma (NTG) in the fellow eye of patients with unilateral pseudoexfoliation syndrome (PXS). METHODS: This study is a retrospective chart review. We included 313 patients with NTG. Using the 1:1 matched propensity score, only 94 well-matched patients were selected. A total of 47 NTG patients who had PXS in their contralateral eye (PXS group) and 47 NTG patients who did not (control group) were compared. The propensity score was matched based on age, mean intraocular pressure (IOP), baseline retinal nerve fiber layer (RNFL) thickness and baseline mean deviation (MD) of visual field (VF) score. The diagnosis of NTG was based on the presence of glaucomatous optic nerve head injury with VF defect, intraocular pressure less than 22 mmHg, open angles and no pseudoexfoliation material. RESULTS: The PXS group had a higher ratio of males (34.0%) than the control group (17.0%). No significant differences were observed between the two groups in terms of CCT, axial length, untreated baseline IOP, baseline PSD of VF, systemic blood pressure and follow-up duration. The rate of RNFL thinning was significantly faster in the PXS group (-1.88 ± 2.83 μm/year) compared with the control group (-0.27 ± 5.29 μm/year) ( = 0.02). The progression rate of VF MD was slightly faster in PXS than in the control group, but there was no statistically significant difference (PXS group, -0.33 ± 0.90 dB/year; control group, -0.11 ± 0.84 dB/year; = 0.236). CONCLUSIONS: NTG eyes with PXS showed faster RNFL thinning than did control NTG eyes.
Department of Ophthalmology, Eunpyeong St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea.
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