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Year : 2013  |  Volume : 106  |  Issue : 3  |  Page : 153-158

Evaluation of retinal nerve fiber layer thickness in diabetic retinopathy by optical coherence tomography after full scatter panretinal argon laser photocoagulation

Department of Ophthalmology, Menofia University, Shebin El Kom, Egypt

Correspondence Address:
Faried M Wagdy
Asem Hema Street, Shebin El Kom
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2090-0686.127365

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Purpose The aim of this study was to evaluate the retinal nerve fiber layer (RNFL) thickness after full scatter panretinal argon laser photocoagulation in diabetic patients using optical coherence tomography. Patients and methods This study was carried out on 40 eyes of 22 patients with the clinical diagnosis of severe nonproliferative and proliferative diabetic retinopathy treated by full scatter panretinal photocoagulation at the ophthalmic diagnostic laser unit, Menoufiya University Hospital. Results Follow-up up to 6 months indicated that the percentage reduction in the average RNFL thickness after 6 months of laser treatment was 28.9%, which was statistically significant (P = 0.041). This reduction in the RNFL thickness varied from one retinal quadrant to another, with the most significant change taking place in both the nasal and the inferior quadrants. Conclusion In the treatment of diabetic retinopathy, maximal effect with lowering number of shots as much as is necessary to avoid decrease RNFL thickness to great degree and so avoiding the optic disc pallor and optic atrophy.

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