CLAT™

Corneal Lamellar Ablation for Transplantation

Corneal transplantations have historically been limited to penetrating keratoplasties with their own set of significant
risks, complications and moderated clinical results. CLAT is a paradigm shift allowing the surgeon to execute a totally
automated custom lamellar transplantation of the cornea. Unlike keratome created lamellar keratoplasties that are
currently being tried, CLAT creates a uniform thickness receiving bed to accept the new normal thickness transplant
eliminating the residual irregularities of the keratome prepared bed and yielding superior resultant corneal optics.

The Technology

HOST
DONOR

Cornea with Keratoconus

The receiving bed is created by calculating

the intersection of the pachymetry map and

the Ideal Corneal Bed for the patient.

This irregular volume is removed with the iRES laser.

 

 

 

 

 

The donor cornea is ablated by iRES laser from the endothelial aspect.

The surgeon resizes the donor cornea thickness

with the iRES laser from the endothelial surface

by the amount of the residual cornea

receiving bed thickness.

CLAT using a 3D pachymetry map, plans the precise removal of irregular thickness with the iRES laser to create a receiving bed.

The new uniform thickness receiving bed now

takes on membrane properties ... 

 

 

 

 

 

Surgeon trephines the CLAT planned donor to the receiving bed diameter.

The iRES laser will use a laser trephination

function to cut the donor perimeter to be

precisely dimensioned to the

diameter of the receiving bed.

CLAT planned receiving bed has remaining thickness that takes on membrane characteristics.

 ... with no cross sectional rigidity.

 

 

 

 

The CLAT planned and dimensioned donor is ready for lamellar transplantation.

The donor is inverted for positioning ...

Completed CLAT laser lamellar transplantation. Donor has been placed into the  receiving bed resulting in a regularized and normal thickness cornea.

... on the receiving bed. A peripheral pocket may be created by the surgeon,

and then the lamella is secured with conventional sutures or tissue glue.

 

Clinical Applications

The Process
  • Keratoconus
  • Prior Refractive Surgery Failures
  • Keratopathies
  • Corneal Trauma
  • Corneal Degenerations

Select here to step through CLAT's Intuitive Planning Process