1. The time span measured is dark adaptation time.

2. Under dark adaptation, phototactic ratio of round scad (both juvenile-and adult) towards blue and green light is the highest, while that towards red light is the lowest.

3. The dark adaptation curve of the VETP bears good resemblance to that ofthe ERG.

4. The curve of dark adaptation of the VETP lasts 90 minutes.

5. Objective:Investigate the effects of nutritional intervention on dark adaptation function and plasma protein level, serum essential amnio acid contents in operator working in low illumination.

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6. Dark adaptation is unusual expression is nyctalopia, lack the eye disease such as denaturation of disease, retinal pigment at vitamin A it is thus clear that.

7. This paper presents the results of statistics and analysis of 580 eyes of patients with retinitis pigmentosa in which vision, visual field, dark adaptation and electroretinography (ERG) were examined.

8. Taking large doses of vitamin A can improve one's dark adaptation.

9. The outside shape of Metapenaeus ensis and its ultrastructure under light and dark adaptation was studied by electron-microscopy technology.

10. One of the most striking phenomena of vision is the dark adaptation of the eye.

11. Methods Measured and compared these indexes : central vision, stereovision, dark adaptation, color vision and visual field.