Corneal Lamellar Ablation for Transplantation

CLAT is unique! Like your patients!

Our CLAT™ (Corneal Lamellar Ablation for Transplantation) is designed to perform totally automated customised lamellar corneal transplantations while improving the quality of the interface.

CLAT™ allows planning an ideal receiving bed with uniform thickness and a customised donor lamella to fit strengthening the patient’s bed. This eliminates the irregular residual thickness of the beds prepared with a microkeratome or a femtosecond laser and the roughness of their interfaces.

CLAT™ allows overcoming the risk of rejections and the limited life expectancy of the transplant connected with penetrating keratoplasties. Unlike lamellar keratoplasties executed with a microkeratome or with a femtosecond laser, CLAT™ creates a receiving bed with uniform thickness to accept the new implant with a normal thickness eliminating all residual irregularities and yielding superior resultant corneal optics.

The surgeon shapes the donor cornea with the iRes™ laser from the endothelial surface leaving a thickness equal to the thickness of the receiving bed
The iRes™ laser will use a laser trephination function to cut the donor perimeter to fit precisely the diameter of the receiving bed.
The receiving bed for the individual patient is calculated as the intersection of the pachimetry map and the Ideal Corneal Bed™. This irregular volume is removed with the iRes™ laser.
The new receiving bed now with uniform thickness behaves like a membrane with no cross-sectional rigidity.
The donor is then inverted and positioned on the receiving bed. The lamella is then secured with conventional sutures or tissue glue. A peripheral pocket may be created by the surgeon to increase the mechanical characteristics of the implant.


Clinical Applications