Human perceives the environment by physical stimulation of sense organs such as light, colour, acoustics, heat-humidity, odor. Seeing comprises the biggest rate in this perception. Consequently, visual perception has an important role in learning. For this purpose, providing good visual conditions and also visual comfort is very important. Schools, having an effective role in learning, are the educational spaces where are needed to take care of providing visual comfort in lighting. Also, it is necessary to obtain use of efficient energy in these lighting designs. In this context, existing lighting designs in the classrooms of Ayazaga Isik High School have been examined and evaluated by means of measurements and questionnaires. Besides, other lighting designs which provide more suitable conditions have been done and differences between these systems have been compared.
