1. A regulatory framework or rule that is minimal in scope or enforcement, typically relating to light, illumination, or photonic control
The city implemented light regulation on outdoor advertising displays to reduce light pollution.
A cidade implementou uma regulação leve sobre os painéis publicitários externos para reduzir a poluição luminosa.
2. In biology and agriculture, the control or management of light exposure for growth and development purposes
Light regulation in greenhouses optimizes plant growth without excessive energy costs.
A regulação leve de luz em estufas otimiza o crescimento das plantas sem custos energéticos excessivos.