focal hyaline degeneration

例句：

1. 1. The patient's vision gradually worsened, andhe was diagnosed with focal hyalinedegeneration.
   患者视力逐渐恶化，被诊断为焦点黄斑变性。
2. 2. The researcherfound that the focal hyaline degeneration in the elderly may be related totheir lifestyle habits.
   研究者发现，老年人的焦点黄斑变性可能与他们的生活习惯有关。
3. 3. Thefocal hyaline degeneration isa common cause of visual impairment in theelderly.
   焦点黄斑变性是老年人常见的视觉障碍原因。