Study finds, The Impact of Three Waves of the COVID-19 Pande
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This Study assessed the effect of three waves of the COVID-19 pandemic primarily on the number and timing of referrals due to rhegmatogenous retinal detachment (RRD) and secondarily on the demographic or clinical characteristics of patients.

A retrospective single-centre analysis of medical records included 247 eyes from 247 patients who underwent primary RRD repair with (phaco) vitrectomy.

--The percentage of referrals due to primary RRD during the first year of pandemic was 16.5% lower than a year earlier.

--The percentage of referrals during the first, second and third wave of the pandemic was 48.4%, 18.5% and 26.1% lower than in the corresponding month.

--No significant differences were observed in the demographic and clinical characteristics of patients admitted before and during the COVID-19 pandemic, other than a tendency towards a higher representation of women, younger persons, longer duration of symptoms but better visual acuity in the latter group.

--Silicone oil tamponade was used more frequently during the pandemic than before.

Conclusively, The COVID-19 pandemic had an impact on the amount and timing of RRD referrals, as well as the clinical, but not the demographic, characteristics of the patients in this study. With the passage of time, the pandemic's impact waned. Concerns about the delay in RRD referrals that were previously highlighted may no longer be applicable in the event of a fourth wave of the pandemic. The impact of each wave of the pandemic should be examined independently, as this approach provides a better understanding of the changes in the number of RRD referrals than a year-to-year comparison.