No-Touch Technique and a New Donor Adjuster for Descemet's Stripping Automated Endothelial Keratoplasty.
OBJECTIVE
One difficulty with Descemet's stripping automated endothelial keratoplasty (DSAEK) is air management during surgery and donor endothelial lamella centering. We evaluated the no-touch technique for donor centering and the use of a newly developed DSAEK donor adjuster.


METHODS
We evaluated the records of 12 consecutive patients (mean age 75.3 years) with bullous keratopathy who had undergone DSAEK. In all cases, the no-touch technique was attempted first. When the no-touch technique failed, a DSAEK donor adjuster with a 30-gauge cannula resembling a curved reverse Sinskey hook was used for donor centering. The adjuster allows air injection during donor centering.


RESULTS
The no-touch technique using simple corneal surface massage to center the graft was successful in 4 cases (33.3%), while 4 cases required ocular tilting (33.3%) in addition to corneal surface massage. The no-touch technique was ineffective in 4 cases (33.3%), but the donor adjuster was used successfully and easily for these patients. Comparing the endothelial cell loss rate between the no-touch technique group and the donor adjuster group, there was no significant difference at 6 months.


CONCLUSIONS
The no-touch technique was useful for better control of DSAEK donor centering in most cases. When the no-touch technique was ineffective, the DSAEK donor adjuster was uniformly successful.
Department of Ophthalmology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan.
Akira
A
Kobayashi
Hideaki
H
Yokogawa
Kazuhisa
K
Sugiyama