Advances in the understanding of diabetic retinopathy have allowed the development ofnew treatments directed at the preservation of sight. Recent data compiled by the Early Treatment Diabetic Reti nopathy Study (ETDRS) show that focal photocoagulation therapy can reduce the risk of further vision loss in diabetic patients with clinically significant macular edema. Therefore, treatment should be considered for all eyes that meet the criteria of clinically significant macular edema.
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