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Purpose: To see the regression of corneal vascularization after ablation with frequency doubled Nd: YAG (532 nm) laser photocoagulation.
Material and Methods: The study was conducted in the Department of Ophthalmology, Isra Postgraduate Institute of Ophthalmology, Al-Ibrahim Eye Hospital, Karachi; from June 2006 to May 2007. In this study evaluation of 50 eyes of 50 patients fulfilling the inclusion criteria. Prelaser assessmentcomprised of detailed history, general and ocular examination including anterior segment examination with corneal vascularization measurements. After informed consent, all patients underwent frequency doubled Nd: YAG laser photocoagulation for corneal vascularization. Patients were followed after one week and monthly for three months. Patency of vessels and complications were noted. Final result at the end of three months was recorded (as per proforma).
Result: Total 194 vessels were seen in 50 eyes of 50 patients. Out of 194 vessels, 80 (41.2%) vessels were completely occluded and 114 (58.8%) vessels were recanalized (p-Value < 0.05). Hence, there was 41.2% reduction in corneal vascularization.
Conclusion: Frequency doubled Nd: YAG (532 nm) laser is an effective tool for the reduction of vascularization in quiescent eyes with vascularised corneal opacities.
Muhammad Nasir Bhatti, Yawar Zaman, Azizur Rahman, P.S. Mahar, Muhammad Fazal, Kamal, Mazhar-ul-Hassan, Partab Rai. (2010) Regression of Corneal Vascularization by Laser Treatment, Pakistan Journal of Ophthalmology, Volume 26, Issue 1.
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