Zhang Y, et al. - Researchers aspired to abridge the clinical features and potential factors exerting an impact on the visual outcomes in patients with cytomegalovirus retinitis following allogeneic haematopoietic stem cell transplantation (HSCT). It was determined that high ocular cytomegalovirus copies and mismatched receipts could serve as potential adverse factors that influenced the visual outcomes in cytomegalovirus retinitis patients following allogeneic HSCT.