Abstract

To describe a novel surgical technique for the treatment of large corneal perforations by using acellular multilayer of corneal stromal lenticules. Prospective study. The acellular tissue used for the repair was harvested from myopic patients during the femtosecond laser (FS) refractive surgery. Informed consent, blood test and donor eligibility were obtained in each case. Three or four layers of lenticules were stacked up and stored at -80°C in pure sterile glycerin. The diameter is 6.0 to 6.5 mm and central thickness was 300 to 400 µm. If the diameter of the corneal ulcer perforation was larger than 3 mm and corneal grafts were not available, we used this kind of patches to seal the perforations. It was a retrospective case series study. Five cases of corneal ulcer perforation were enrolled in this study. One was neuropathic keratitis, one was atopic keratoconjunctivitis, and the other three were fungal keratitis. Acellular multilayer of stromal lenticules were used in these cases for emergent therapy. The sealing of the perforation and the re-establishment of the anterior chamber were achieved successfully in all the cases. For the pericentral perforations, visual recovery was achieved. And efficient palliative management was done for the central perforations. The reported technique seems to represent a good alternative emergency procedure for the management of large corneal perforations. It is a very useful method for Chinese hospitals where the shortage of cornea donors is a very serious problem and the amount of FS surgeries are increasing.

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