Fig. 6.

A. Trephining superficial corneal tissue using appropriately-sized manual trephine. B. Blunt-tipped instrument insertion to identify the deepest plane for corneal dissection. Arrow highlights diffuse scarring. C. Superficial corneal lamella dissected using crescent blade of surgeon's choice. D. Superficial corneal lamella taken off. E. Deeper corneal planes identified and carefully dissected. F. Deeper corneal planes removed layer by layer until pre-Descemetic layer reached. G. Cardinal sutures placed on donor button. H. Corneal suturing complete with interrupted sutures.