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

Figure 1

The Descemet endothelial complex of 9.5 mm in diameter is detached circularly from the peripheral corneal tissue (a) and peeled with two tweezers using different peeling sites towards the center of the cornea (b).

(a)

(b)