这种肿胀会导致聚焦和视敏度异常。
若出血情况严重，患者可能会主诉视物模糊伴有视敏度下降。
With significant hemorrhage, patients may complain of blurry vision with diminished visual acuity.
近一百年来兰杜特环被眼科医生视为用于评价视敏度[6]。
Landolt rings have been used by ophthalmologists to evaluate visual acuity for nearly a hundred years [6].
目的：探讨双眼视力差异及视敏度对弱视患儿立体视形成的影响。
Objective: To discuss the effect of binocular visual acuity differences and visual acuity on stereopsis in amblyopic children patients.
结论：闪光临界融合频率训练是提高时间和空间视敏度的有效方法。
Conclusion: CFF training is an effective method for raising spacial and horary visual acuity.
视敏度检查被用于评价视觉系统的形觉功能，能较早地反映出疾病所引起的形觉功能的障碍。
The examination of visual acuity in assessing the form sense function of visual system can earlier reflect the disorder of form sense function caused by the disease.
观察病例以生理盲点扩大（59%）、视敏度下降（54%）和旁中心暗点（18%）为主。
The great difference of observed were in enlargement of physiologic blind spot (59%), downgrade of visual sensitivity (54%), and paracentral scotoma (18%).
方法采用临床测查和心理测验法对217名社区老人的视敏度、加工速度和工作记忆进行考察。
Methods Visual acuity, processing speed and working memory of 217 old community persons were determined by clinical measure and cognitive test.
当双眼分别接受不同颜色的等亮度立体图刺激时，与亮度对比条件相比，受试者的立体视敏度无明显差异；
When the two eyes were stimulated with chromaticity RDSs, but with different color contrast, the disparity threshold was not significantly different from that with heteroluminance RDSs;
该药物被打上黑框，以警告卫生保健专家（该药物具有导致）进展性周边视觉丧失，伴随潜在的视敏度降低的风险。
The drug will have a boxed warning to alert health care professionals to this risk of a progressive loss of peripheral vision with potential decrease in visual acuity.
采用随机选取和有针对性选取“散光”被试的方法，分别在两个实验组对个体的空间视敏度和时间视敏度进行测试。
In two teams, with random_groups design and specialized_groups design method, the experiment tests the subjects space visual acuity and horary visual acuity.
结论：中医辨证用药治疗能够提高患者的视力、视野平均视敏度，减少视野平均缺损，从而有效地改善患者的视功能，巩固疗效。
Conclusion:Traditional Chinese medicine can improve patient's vision, MS and reduce MD, and thus effectively improve the patient's visual function as well as consolidate effect.
结论：中医辨证用药治疗能够提高患者的视力、视野平均视敏度，减少视野平均缺损，从而有效地改善患者的视功能，巩固疗效。
Conclusion:Traditional Chinese medicine can improve patient's vision, MS and reduce MD, and thus effectively improve the patient's visual function as well as consolidate effect.
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