A 52-year-old woman with severe nonproliferative diabetic retinopathy had decreased vision and macular edema in both eyes that was not responding to treatment. What would you do next?

中文翻译：

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一名 52 岁糖尿病患者的黄斑病变

一名 52 岁女性患有严重的非增殖性糖尿病视网膜病变，其视力下降，双眼黄斑水肿，对治疗没有反应。接下来你会做什么？