“…Graft-versus-host disease (GVHD) is a major complication following allogeneic hematopoietic. It usually involves several organs, and the ocular involvement occurs in ~60% of GVHD patients [1,3,4], particularly affecting cornea, conjunctiva, lids and lacrimal gland, resulting in a wide spectrum of ocular complications [29][30][31] (Figure 4).…”