When a person moves from space to space in a building, the adaptation level of the eye must be varied. The purpose of this study is to present a guideline for an appropriate design of illuminance level of circulation spaces considering eye adaptation. Based on the field measurement on the illuminance in circulation spaces such as foyers and corridors etc. in apartment houses, a series of subjective experiments using two artificial visual fields with different illuminance levels were conducted and the followings were found. Against a small change in the illuminance level in circulation spaces, adaptation levels effected on the brightness sensation of a space significantly. The results of the supplementary experiment showed the vertical illuminance at the eye could be used as a parameter to predict the brightness perceived at the moment one enter the space. Predicted Brightness Sensation chart based on the adaptation level is proposed.