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Journal of Diabetes Research
Volume 2014, Article ID 158251, 3 pages
Clinical Study

Diabetic Retinopathy Treated with Laser Photocoagulation and the Indirect Effect on Glycaemic Control

1St. Paul’s Eye Unit, Royal Liverpool University Hospital, L7 8XP, UK
2Department of Ophthalmology, Aristotle University, 54124 Thessaloniki, Greece
3Department of Pharmacology, School of Medicine, Aristotle University, 54124 Thessaloniki, Greece

Received 29 May 2014; Accepted 13 July 2014; Published 17 July 2014

Academic Editor: Nikolaos Papanas

Copyright © 2014 Anna Praidou et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Purpose. To identify any possible relation between glycaemic control and previous laser photocoagulation for diabetic retinopathy. Methods. Seventy-two patients with diabetes were included in the study and were separated into 2 groups according to previous treatment (group A) or not (group B) with argon laser photocoagulation. Glycaemic control was estimated by measuring blood levels of HbA1c in four consecutive measurements. Results. Blood levels of HbA1c in group A were significantly lower 3, 6, and 12 months after laser treatment as compared to blood levels of HbA1c before laser treatment ( % versus %, % versus %, and % versus %, resp., all ). Blood levels of HbA1c in group B did not differ significantly in four consecutive measurements. Conclusion. Our results suggest that we should anticipate a better glycaemic control in cases of patients with diabetes previously treated with laser photocoagulation.