Retinal vision includes central vision and peripheral vision, with central vision referring to the vision of the macula of the retina and peripheral vision referring to the function of the retina beyond the macula, i.e. the visual field. Visual acuity examination method takes visual acuity chart examination, including distant visual acuity examination method, such as international standard visual acuity chart and logarithmic visual acuity chart. The near vision examination method is to take the international standard near vision chart, etc.. Laser interference streak vision test is not affected by refractive media within a certain range, and can truly reflect the visual function of the retina and the brain, visual contrast sensitivity and visual evoked potential examination can be considered. Optokinetic nystagmus and selective viewing methods are available for infant visual acuity. Visual field examination methods include control visual field examination, bowed visual field meter examination, plane visual field meter examination, Amsler’s square table examination, Goldmann dynamic quantitative visual field meter, and automatic static quantitative visual field meter.