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Year : 2020  |  Volume : 7  |  Issue : 2  |  Page : 36-40

Changes in retinal nerve fiber layer thickness after panretinal photocoagulation in diabetic retinopathy

1 Department of Ophthalmology, Assiut University Hospital, Assiut, Egypt
2 Department of Ophthalmology, Assiut Ophthalmology Hospital, Assiut, Egypt

Correspondence Address:
Dr. Rania Mohammed Mohammed
31- Kolta - Mohammed Ali Makarem Street
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/erj.erj_12_20

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Context: Panretinal photocoagulation (PRP) is the gold standard treatment for high risk proliferative diabetic retinopathy. Aim: The evaluation of peripapillary retinal nerve fiber layer (RNFL) thickness changes in eyes undergoing PRP by optical coherence tomography. Materials and Methods: RNFL thickness was measured before PRP, then after PRP by 1, 3, and 6 months, respectively. Results: Mean peripapillary RNFL thickness increased significantly 1 month after P (P = 0.001), then showed insignificant decrease at 3 months' post-PRP (P = 0.1), then it showed significant decrease at 6 months (P = 0.0001) compared to baseline. Conclusions: PRP should be used with a great caution with least number of shots to avoid excessive damage to inner retinal layers.

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