Examinations of visual function have been widely performed with the increasing awareness of visual function recently. In addition to regular examinations in Ophthalmology and Optometry, examinations of visual function are also very important in clinic. Nowadays, they are considered as the basis of some diagnosis, and mainly divided into two methods: regular examinations of visual function and examinations based on psychophysics. In order to serve clinic and research better, the combination of them is highly required.