That is, the parents are cousins.Through the fundus examination, we found diffuse yellowish crystal deposits and chorioretinopathy in the posterior pole. 兩病例為姐妹，眼底檢查可見(jiàn)散在性黃白色晶體沈著(zhù)物，后極部可見(jiàn)脈胳膜網(wǎng)膜變性。
The alert of the disease combined with careful examination of indirect ophthalmoscopy and the aid of B-scan ultrasonography will achieve the correct diagnosis of the disease. 我們只要對這種疾病存有警覺(jué)性，并藉著(zhù)詳盡的眼底檢查及超音波掃描，通?？捎姓_的診斷。
