Using different glass shades in your home makes it possible to control the flow of light, create atmospheres, and change the mood to suit your taste and highlight certain areas in a room. Lighting, used with the right glass lamp shade, is one of the key ways you can influence how a room in your home feels and what impression it gives off. For some people, lighting is even more important than furniture or other décor. Such is the power of how we react to ambient illumination.