A portrait in the inner vision and a portrait in the outer vision are different concerning space, time, and meaning because the former is full of varieties, and is always developing.

The different color field of vision scope at the beginning ofcomparison searches;

Based on this view, this paper analyzes the suitability of protective respirators to human body, and systematically puts forward such ergonomic problems as seal, respiratory resistance, dead space and field of vision about protective respirators at the angle of human facial features and bio-mechanical characteristics of head and neck.

This essay analyzed the artistic feature of poems on mountain or water written by Li Bai from these three aspects of field of vision , image or artistic conception, and the author probed into the contributing factor on real.

Visual field changes after laser in situ keratomileusis of myopia;

Ananlysis of visual field in primary open angle glaucoma with high myopia;

Study the charges of central visual field before and after rhegmatogenous retinal detachment surgery;