How to Avoid an Upside-Down Orientation of the Graft during Descemet Membrane Endothelial Keratoplasty?

Figure 5

(a, b) Correct position of the Descemet endothelial complex = side point on the right (looking from the limbus); (c) correct position in case of an asymmetrical trephination; (d) upside-down position = side point on the left (looking from the limbus).

(a)

(b)

(c)

(d)