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Providing ideal physical facilities in educational institutions is important for the success of educational activities. Lighting has a significant role in the students’ concentration on lessons in educational institutions, keeping the students’ motivation and increasing the learning ability. Artificial lighting sources are used when natural lighting is not available or inadequate. While lighting provides energy efficiency at a well-illuminated classroom, it also enhances the learning ability of the students. In the classrooms where the illumination is bad, the eye health of the students can be in danger and health problems such as eye strain, xerophthalmia eye fatigue and eye disorders might occur. The international standard EN 12464-1: Light and Lighting - Lighting of work places - Part 1: Indoor work places is used as a base in the determination of lighting values of the educational institutions. Ideal lighting values for closed workplaces such as schools, workplaces, hospitals have been determined for those with healthy vision conditions. With these photometric values, visual performance and energy efficiency in indoor areas are aimed to be high. In this study, photometric values (illumination level, uniformity, color rendering index and glare index) specified in international standards for educational institutions were examined. Moreover, photometric values were measured in a sample educational institution and the adequacy of these values in providing the standards was examined. In the classrooms of this educational institution, the areas that were illuminated, but inadequate and unevenly distributed were found out. After finding the lighting problems of these identified areas, the solutions have been proposed.
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