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Middle East African Journal of Ophthalmology Middle East African Journal of Ophthalmology
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Year : 2012  |  Volume : 19  |  Issue : 2  |  Page : 185-189

Photodynamic therapy with verteporfin for corneal neovascularization

Department of Ophthalmology, College of Medicine, Al-Qasseem University and the Anterior Segment Division, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia

Correspondence Address:
Abdullah A Al-Torbak
Department of Ophthalmology, College of Medicine, Al-Qasseem University, P.O. Box 6655, Buraidah 51452
Saudi Arabia
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0974-9233.95246

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Purpose: To investigate the efficacy of photodynamic therapy (PDT) with verteporfin for the treatment of patients with corneal neovascularization. Materials and Methods: Retrospective interventional case series of 33 eyes of 32 patients with stable corneal neovascularization who were refractory to conventional treatment and were treated with single photodynamic therapy with verteporfin (6 mg/m [2] ) at King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia between January 1, 2007 and December 30, 2009. The mean age was 40.7 ± 19 years (range 16-76 years). The mean follow-up for all patients was 13.1 ± 5.5 months (range 6-24 months). The average amount of corneal neovascularization was 2.7 ± 1.9 (1-10). Corneal neovascularization was deep in 19 (57.6%) eyes and superficial in 14 (42.4%) eyes. Preoperative and postoperative visual acuity and intraocular pressure, and clinical outcome of the treatment were assessed. Statistical analysis was performed to investigate the association to potential risk factors, to assess the change in data and determine the risks for failure. A P-value less than 0.05 was statistically significant. Results: At the last follow-up visit, 22 (66.7%) eyes showed a decrease in corneal neovascularization and evidence of vascular thrombosis. Complete vascular occlusion was achieved in 14 (42.4%) eyes, partial occlusion was achieved in 8 (24.2%) eyes, and the vessels were patent in 11 (33.3%) eyes. The corneal neovascularization score and depth of the vessels were found to be significant risk factors for failure (P = 0.0001 and 0.046, respectively). However, the diagnoses or causes of corneal neovascularisation were not statistically significant. No significant systemic or ocular complications associated with photodynamic therapy were observed. Conclusion: Photodynamic therapy with verteporfin was effective for the treatment of corneal neovascularization in the majority of the cases in this study.

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