T/ZSLA 004-2022 Indoor Health Lighting Design Guidelines

Scope

Scope: This document specifies the technical requirements for indoor healthy lighting fixtures. This document is applicable to various indoor lighting fixtures designed and produced by member units of the Zhongshan Healthy Lighting Association; Main technical content: This document mainly clarifies that during human evolution, interaction with Earth's natural light has shaped human tissue systems and functional responses adapted to this light environment, forming a relatively stable equilibrium state. For humans, this is the most healthy "original ecology". If this environment is altered by human factors or other unexpected causes, the equilibrium state may be disrupted, leading to health damage, or humans may adapt their tissues and functions to the new environment, initiating a new round of evolution. The current development of myopia is one of the real-life examples of this state. Indoor lighting should follow the Chinese cultural concept of "harmony between man and nature" and "green mountains and clear waters are as valuable as gold and silver". It should adhere to returning to simplicity, prioritizing natural light, clarifying the "auxiliary" status of artificial lighting, and maximizing the collection efficiency of natural light. Only when natural light cannot meet regional lighting needs should artificial lighting be supplemented or replaced. It should strive to imitate nature, aiming to create "health-oriented", "naturally lit", and "smart-controlled rhythmic" indoor healthy lighting fixtures. Currently, the design of indoor healthy lighting fixtures should draw lessons from the irreversible health damage caused by premature infants receiving pure oxygen and the widespread use of tetracycline, and "not cover topics that have not been properly scientifically validated". Based on experimental verification and in line with current national and industry/association standards, it should be designed based on China's practical advanced technologies. When designing

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