Management of severe ocular burns with symblepharon

Weiyun Shi; Hua Gao
January 2009
Graefe's Archive of Clinical & Experimental Ophthalmology;Jan2009, Vol. 247 Issue 1, p101
Academic Journal
Abstract Background  To evaluate the effect of lamellar keratoplasty combined with limbal stem cells, using amniotic membrane, autologous conjunctiva, and pseudopterygium to reconstruct external eyes for severe ocular burns with symblepharon. Methods  Thirty eyes of 29 patients had severe symblephara resulting from eye burns. According to the range of the symblepharon and the loss of limbal stem cells, partial lamellar keratoplasty combined with partial limbal stem cell treatment was performed in 19 eyes, and total lamellar keratoplasty with total limbus was performed in 11 eyes. All patients had amniotic membrane and autologous conjunctival transplantation, and the pseudopterygium was preserved to reconstruct the fornix. Results  Symblephara were completely relieved in 19 eyes. They remained partially in ten eyes in strip-like form, but seven of these were completely relieved after further autologous conjunctival transplantation. One eye was treated with tarsorrhaphy for eyelid malformation. The remaining pseudopterygium became thinner after the operation and showed no symblepharon. Immune rejection occurred in eight corneal grafts; clarity was restored in four of these, while there was graft neovascularization in the remaining four. Conclusions  Depending on the area of symblepharon and the loss of limbal stem cells, partial or total lamellar keratoplasty combined with limbal stem cells, using amniotic membrane, autologous conjunctiva and pseudopterygium to reconstruct external eyes appears to be effective in treating severe ocular burns with symblepharon. Pseudopterygium can partly substitute autologous conjunctiva in ocular surface reconstruction.


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