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PURPOSE: To study functional changes in vision and morphological changes on optical coherence tomography (OCT) scans in patients where intravitreal therapy (IVT) with injections has been delayed due to COVID-19 pandemic lockdown. METHODS: Retrospective cross-sectional study included 77 eyes with the diagnosis of exudative age-related macular degeneration (eAMD), diabetic macular edema (DME), and retinal vein occlusion (RVO), regularly receiving IVT with anti-vascular endothelial growth factor (Anti-VEGF) injections or dexamethasone implant and were not able to receive the injections as intended due to lockdown. Best-corrected visual acuity (BCVA), central foveal thickness (CFT), and qualitative morphological features on OCT were analyzed pre- and post-therapy break off. Worsening of the visual acuity was seen across all the three disease cohorts, significantly more in the eyes with eAMD. CONCLUSION: Marginal decline in the visual acuity and worsening of the OCT features were observed as a result of delay in the IVT injections of DME, eAMD and RVO patients.
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Brar et al. (2022) studied this question.
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