This article investigates light control devices in architecture and nature searching for possible improvements and inspirations in architectural design. The article will briefly evaluate sun breakers and louvers as well as comment on both the reaction of leaves and plants to sun radiation as well as the reaction of eyes to light. The appreciation of natural devices
illustrating physical/mechanical characteristics extends to nature and its sensual richness. This study of nature identifies possible improvements in light control design and encourages the integration of plants into architectural envelopes enriching the overall experience.