Lighting can serve many purposes in life. For example, it can be used to create a cozy living environment, provide safety during dark hours, showcase artwork, or even enhance the look of an event. It can also help to mitigate the resulting environmental impacts of indoor and outdoor lighting. Light also has many practical healthcare applications. Nurses, doctors, and other medical professionals can use certain kinds of lighting to improve visual acuity and decrease the amount of time it takes for diagnosis and treatment. On the other hand, people with certain medical conditions like photosensitivity can also benefit from such lighting by controlling the amount of light they are exposed to. Lighting is an essential element of interior home design. It serves both practical and aesthetic purposes, and can be used to emphasize a room's features, draw attention to artwork, or create a more intimate atmosphere. In addition, lighting can be used to create an inviting ambience and can be manipulated to create mood or accentuate architectural features. The environmental impact of lighting is also a concern, as appropriate illumination can be implemented to reduce electricity consumption without sacrificing visibility or safety. In recent years, LED lighting has become increasingly popular due to its energy efficiency, and is being used to replace older forms, such as incandescent bulbs, in many countries. In addition, solar powered lighting systems are becoming increasingly popular, as they can considerably reduce energy costs, and reduce dependency on fossil fuels. Ultimately, lighting is an indispensable feature of our everyday lives, and its applications span far beyond providing light for our homes, offices, and events. Its benefits range from improved healthcare to energy savings.