Macular degeneration causes visual distortion and even complete loss of sight.

黄斑变性导致视觉扭曲甚至完全失明。

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The only option was to monitor it (under the eye specialist's care) and hope it didn't get worse, otherwise it meant surgery and eventually the complete loss of sight.

他唯一的选择就是在眼科专家的指导下检测这个情况，并希望不继续恶化。要不然，就意味着需要手术治疗，甚至最终会逐渐失去右眼全部的视力。

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