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Purpose: To describe the causes and trends of corneal donor mortality from eye bank data in India during the coronavirus disease 2019 (COVID-19) pandemic. Methods: This retrospective eye bank-based study included 13,529 donors who donated their cornea between January 2018 and December 2021. Donors in whom the cause of mortality was documented were included as cases. The data were collected from the eye bank records. Results: Overall, 13,529 corneal donors were included in the study. Most of the donors were males (69.71%). The mean age of the donors was 51.55 ± 20.54 years, whereas the median age was 51 (inter-quartile range: 35–68) years. The mean age of males (49.3 ± 19.47 years) was lesser than the mean age of females (56.72 ± 21.94 years) at the time of donation. The most common age group at the time of donation was during the sixth decade of life with 2,139 (15.81%) donors. The mean age of the donors decreased by a decade from 54.95 ± 20.51 years in 2018 to 44.35 ± 18.88 years in 2021. The most common cause of donor mortality was cardio-respiratory arrest in 5,190 (38.36%) donors and trauma in 3,469 (25.64%) donors, followed by suicide in 2,790 (20.62%) donors. The trend of cardio-respiratory arrest decreased from 53.01% to 9.5% (p = <0.00001), whereas the trends of trauma increased from 21.93% to 36% (p = <0.00001) and suicide increased from 12.71% to 36.41% (p = <0.00001) between 2018 and 2021. Conclusion: Corneal donors are more commonly males in their sixth decade of life. The most common cause of donor mortality was related to cardio-respiratory arrest with a concerning rising trend in suicide cases over the years seen significantly during the pandemic. [ABSTRACT FROM AUTHOR]