1. The visual change from being unaware of visual defect to detecting binocular visual loss indicated the importance of measuring monocular visual acuity and visual field to clinical ophthalmologist. 病人临床视力、视野变化情形，向未察觉两眼视野的缺损至突发性两眼视力的丧失，提醒临床眼科医师单眼视力、视野测量的重要性，尤其是周边视野的评估。
2. With this system, many visual functions can be tested, such as visual field, visual acuity, visual contrast susceptibility, strabismus, cross eye, etc. 该系统的主要功能有视野检查、斜视及同视功能检查、视觉对比敏感度检查和视锐度检查，可用于视觉医学研究及视功能临床疾病的诊断。
3. Physical sensation is a complicated and integrated dynamic system, while the visual sensation is a special medium of the operation of this system. 人体感觉是一个复杂而又具有整体性的动力结构系统，而视觉正是这一系统进行运作的“特殊中介”。
4. In terms of the visual content, same as commercials, Chinese print PSAs are dominated by iconic and indexical visual signs and predominated by visual metaphors and metonyms. 在视觉内容上，和商业广告一样，中国平面公益广告多使用图像性和指示性视觉符号。
5. The dominant effect of visual system determines the cognitive model of visual preference, the root of imagic thinking mainly characterized by visual imagery. 由于视觉系统的强势作用，形成了认知模式的视觉偏爱，决定了以视觉表象为主要特征的思维的具象性。
