Microbial keratitis tops the list of the diseases leading to corneal blindness. Corneal transplant, either partial or full thickness, is the most helpful technique for infective keratitis that remains non- responsive, even with the most suitable medical treatment. Aims of this study are to evaluate the success of therapeutic penetrating keratoplasty in non-responsive microbial keratitis in eradication of infection, restoration of anatomical integrity of the globe and prevention of complication that influence the visual prognosis in a positive way. Result of the retrospective study of 60 patients who underwent therapeutic penetrating keratoplasty, following infected keratitis showed restoration of anatomical integrity in 51 cases (85%). Success rate of penetrating keratoplasty was higher in non- perforated (92%) than in perforated group (74.28%) and in non-mycotic than in mycotic group. Penetrating keratoplasty in non-responsive infected keratitis is thus helpful.
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