Studies have confirmed that ginkgo increases blood flow to the retina , and can slow retinal deterioration resulting in an increase of visual acuity .
研究已证实，银杏增加视网膜血流量，并能减缓视网膜的恶化，结果导致视力的提高。
Nearly all the children in the study had bleeding in the brain and retinal hemorrhages .
研究中，几乎所有的孩子都有脑出血或者视网膜出血的现象。
Central retinal vein occlusion can be divided into two main subtypes : nonischemic and ischemic .
视网膜中央静脉阻塞可分为两种主要的亚型：非缺血型和缺血型。
It is the most common type of retinal detachment , ahead of tractional and exudative .
这是视网膜脱离最常见的一种类型，比牵拉性和渗出性的病例多发。
Most password alternatives previously proposed by government or the private sector have revolved around biometric identifiers such as facial scans , fingerprints or retinal scans .
