THE EFFECT OF INTERIOR ENVIRONMENT ON VISUAL PERFORMANCE AND PREFERENCE OF THAI OFFICE WORKER IN OFFICE BUILDING

Abstract

Nowadays, the used of artificial lighting in office buildings have the potential to visual task performance and visual preference. Most Thai office buildings use artificial light that is not enough and inappropriate for visual task performance and visual preference. The architectural features and the composition of the various parts in the space is an important factor that can affect employee productivity. This study’s objective was the effect of artificial light on visual task performance and visual preference in Thai office worker. There are nine factors investigated which are room shape, wall color, furniture arrangement, daylighting technique, luminaire types, the type of lamp, color of light, colour rendering index (CRI), and outdoor views. The result of studies can conclude the characteristic of lighting condition which suitable for visual task performance and visual preference of Thai office worker. Seven offices were surveyed as case studies. Visual task performance and visual preference were explored from Thai office workers. The results of the study have summarized the characteristics of lighting conditions that are appropriate for the visual task performance and visual preference complacency in the office building.