The primary purpose of lighting design is to create visuality that can perform different tasks and perceive spaces and objects it means that visual comfort conditions. Visual comfort related with the quantity and quality of light. There are some points to be considered in order to ensure the lighting design that changes/determines according to the standards of each environment: light amount, color, direction, color rendering, and uniformity of light. All these determine the quality of lighting in the environment. Effectiveness of retail lighting related with how to design retail stores. In this study, which examines the effect of retail lighting in terms of human satisfaction and light quality, firstly what lighting is, its purposes and benefits are discussed. Then, necessary visual comfort conditions for stores, brand images and strategies, standards and requirements of lighting designs for customers are mentioned. This information was gathered by examining the main sources of lighting standards. In the studies conducted on this subject, it has been determined that there are incomplete studies examining "different age groups, socio-cultural groups, different store profiles, daylight effects and customer/employee satisfaction". For this reason, a survey was conducted in Boyner and DeFacto stores in İzmir Westpark AVM to support the study, and it was emphasized the effectiveness of lighting designs in terms of users’ satisfaction and light quality.