Using more light fittings or higher wattage bulbs increases the light levels. See the section on bulbs for more details. Sometimes, people prefer less light. Switching the overhead lights off and using lamps only means that the light levels will be uneven. If you want to reduce light levels evenly throughout a room, try and use a dimmer switch that allows you to vary the amount of overhead light.
Many people find light uncomfortable outdoors, or even inside on a bright day.
It is often the light that reaches your eyes from above and the sides that causes this discomfort. For this reason, ordinary sunglasses may not solve the problem. A brimmed hat or tennis peak often helps, but many people find that tinted spectacles with side shields are the most useful. These are particularly useful because you can remove them quickly if you go into a darker area. Lighting on the stairs and landing Take particular care to keep the stairs and landing brightly lit.