Dear Editor: In the treatment of unilateral total limbal stem cell deficiency (LSCD), conjunctival limbal autograft (CLAU) surgery taken from the healthy fellow eye with or without amniotic membrane transplantation (AMT) is one of the main therapeutic alternatives. There are some controversies regarding the optimal size of the limbal graft necessary for complete and stable epithelialization of the cornea. Traditionally, two 60o limbal grafts have been used.