Whether you’re reading a book or preparing a meal, too little or too much light can be a problem. Glare can cause discomfort, and a lack of brightness can lead to eye fatigue. Dimming controls can help you ensure your interior lighting is properly adjusted for the task at hand. Brightness can be increased for things such as reviewing bills and reduced for activities that don’t require a lot of light or during the day when more natural light is available. In addition to improving comfort, this helps save energy.