[Factors of graft failure after chemical corneal injury]

¹Zhongshan Ophthalmic Center, Sun Yat-sen University of Medical Sciences, Guangzhou.

[Zhonghua Yan Ke Za Zhi] Chinese Journal of Ophthalmology

|July 1, 1994

Abstract:

83 cases (97 eyes) of keratoplasty after chemical corneal injury were followed up for a mean 14 months with the results that 21 (21.6%) grafts were transparent and 76 (78.4%) opaque or semitransparent. The success rate depended on the severity of the chemical injury; it was 87.5% for type A corneal scarring and 15.7% for type B. The causes of graft failure were postoperative epithelial erosion (70.7%) and corneal rejection (28.0%). Most patients with epithelial erosion had problems of insufficient tear secretion and tear-film defects. The prevention and management of graft failure were discussed.

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