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Abstract #103936 Published in IGR 23-2
Changes in quality of life of glaucoma patients over a period of 8 years
Koenig SF; Hirneiss CWDie Ophthalmologie 2022; 119: 599-604
PURPOSE: The quality of life (QoL) of glaucoma patients is affected by many factors. In particular, patient activity is compromised by the chronicity of the disease. In this study, we evaluated the change in QoL and its impact on activities over a period of 8 years. METHODS: A total of 43 patients with glaucomatous optic nerve damage were enrolled in this retrospective longitudinal observational study. Changes in intraocular pressure (IOP), best-corrected visual acuity (BCVA) and visual field (VF) parameters, number of IOP-lowering eye drops and IOP-lowering surgery were assessed over a period of 8 years. Assessment of QoL was obtained by patient-reported visual functioning using the Rasch-calibrated glaucoma activity limitation 9 (GAL-9) questionnaire at baseline and after 8 years. RESULTS: The BCVA of the better eye changed from 0.16 ± 0.22 to 0.21 ± 0.14 logMAR, whereas there was a change from 0.27 ± 0.25 to 1.39 ± 1.1 logMAR in the worse eye. The VF parameter mean deviation (MD) of the better eye changed from -2.39 ± 4.55 dB to -4.83 ± 5.09 dB, while it altered significantly from -8.86 ± 5.86 dB to -12.05 ± 8.07 dB in the worse eye. Values of GAL‑9 changed from -2.39 ± 2.14 to -1.38 ± 2.78 (in the Rasch analysis, more negative values account for a better QoL), according to a sum score change from 79.17 ± 19.63 to 69.22 ± 27.95. This change showed a highly significant correlation with the MD at follow-up, especially with the worse eye (r = 0.43). The impact of the MD at follow-up on QoL could also be well predicted in a regression model. CONCLUSION: The QoL of glaucoma patients decreased significantly over time. Changes in the VF, particularly of the worse eye, have a great impact on reported functioning. Careful treatment, especially of the eye with greater glaucomatous damage, is mandatory.
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