请教长句翻译

1.This type of measurement can be particular useful in tracking patients with macular edema （黄斑水肿）due to diabetic retinopathy（糖尿病视网膜症）, or for screening and following patients with cystoid macular edema （囊样黄斑水肿）following cataract（白内障） surgery.
其中有好几个following。
2.Prior to the registration of a patch image such as patch image 402 to a baseline image such as baseline image 404, as illustrated in Figure 4, the landmarks (e.g. blood vessels or other features) of patch image 402 and of baseline image 404 are processed to rectify their displacements due to eye motion.
长句不知道该怎么组织语言好。

这种测定类型在追踪由于糖尿病视网膜症而引起的黄斑水肿患者方面特别有用，或者在白内障手术之后用于筛选和随访囊样黄斑水肿患者。

1.这种测定类型在追踪由糖尿病视网膜症引起的黄斑水肿患者方面特别有用，或者用于筛选和随访在白内障手术之后的囊样黄斑水肿患者。

这种检测手段对追踪观察因糖尿病视网膜症引起的黄斑水肿特别有效。也用于筛查和随访白内障手术后的囊样黄斑水肿，

这种类型的检测方法对追踪由于糖尿病视网膜症引起的黄斑水肿的患者，或者对筛查和跟踪白内障外科手术后出现囊样黄斑水肿的患者十分有效。