Abstract
A patient with chemical corneal burn presented two months after the acute episode of chemical injury to his right eye (OD) and was diagnosed with severe limbal stem cell deficiency and with vascularized corneal opacity OD. Limbal cell transplantation and penetrating keratoplasty (PKP) was performed. The autologous and allograft limbal tissue included peripheral cornea, limbus and conjunctiva obtained from contralateral eye and cadaveric eye bank cornea. Central corneal button was used for a PKP with 32 intermittent sutures. One year after the procedure, the corneal surface remains clear with a best corrected visual acuity of 6/12 (-2.00 DS / -2.75 DC-/ 150°. Eighteen sutures are still in place; no vascularization has extended beyond the host graft junction. Ocular surface is wetting well with no filamentary keratitis.Combined autologous and allograft limbal cell transplant can be performed for severe deficiency of corneal stem cells in a patient with chemical corneal burn.
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