Light and lighting encompass different dimensions of urban life, thus the harmony and coordination of this process with environment and urban space is of great importance. Due to the importance of mental patterns in urban planning, present article analyzes the relation between mental dimensions of lighting and the spatial improvement of Tehran metropolis. The present article is developmental and applied in objectives and uses a descriptive-analytic method. At the same time, it takes advantage of statistical techniques such as factor analysis, correlation, t test and regression. The investigations indicate that lighting influences 3 different parameters, tourism, safety, attractiveness of the environment. Undoubtedly, the quality of urban lighting is considered to be especially important in attracting citizens to these textures. Therefore, it is necessary to improve lighting quality in the process of designing our urban textures. Findings show that the residents of the case study area have a low level of satisfaction regarding the quality of lighting.
