Fig. 7.

A. Scar following microbial keratitis in a patient with chronic ocular surface disease. B. Corneal trephining to cover the scar tissue. C. Dissecting the superficial corneal lamella. D, E. Taking off the superficial corneal lamella. F. Placement of 27-gauge needle attached to 2 ml syringe filled with balanced salt solution (BSS) with bevel facing towards the Descemet's membrane (DM). G. Injection of BSS into the stroma. H. Complete hydration of corneal stroma achieved. I,J. Further corneal layers dissected and taken off until clear Descemet's reached. K. Donor tissue (without DM) placed on the host bed. L. Suturing completed.