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2. Headlamp (outdoor) - Wikipedia

   en.wikipedia.org/wiki/Headlamp_(outdoor)

   Headlamp attached to a helmet. A headlamp, headlight, or head torch is a light source affixed to the head typically for outdoor activities at night or in dark conditions such as caving, orienteering, hiking, skiing, backpacking, camping, mountaineering or mountain biking. Headlamps may also be used in adventure races.

3. Lighting for the elderly - Wikipedia

   en.wikipedia.org/wiki/Lighting_for_the_elderly

   So far, two lighting methods have been shown to improve nighttime sleep in AD patients: (1) exposure to bright white light (at least 2500 lx and as high as 8000 lx at the cornea) for at least one hour in the morning, for two weeks and (2) exposure to 30 lx of blue light from LEDs, peaking at 470 nm at the eye for two hours.

4. Headlamp - Wikipedia

   en.wikipedia.org/wiki/Headlamp

   The first electric headlamp light source was the tungsten filament, operating in a vacuum or inert-gas atmosphere inside the headlamp bulb or sealed beam. Compared to newer-technology light sources, tungsten filaments give off small amounts of light relative to the power they consume.

5. AOL

   search.aol.com

   The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

6. High-intensity discharge lamp - Wikipedia

   en.wikipedia.org/wiki/High-intensity_discharge_lamp

   Metal-halide and ceramic metal-halide lamps can be made to give off neutral white light useful for applications where normal color appearance is critical, such as TV and movie production, indoor or nighttime sports games, automotive headlamps, and aquarium lighting. Low-pressure sodium-vapor lamps are extremely efficient.

7. Glare (vision) - Wikipedia

   en.wikipedia.org/wiki/Glare_(vision)

   Glare is difficulty of seeing in the presence of bright light such as direct or reflected sunlight or artificial light such as car headlamps at night. Because of this, some cars include mirrors with automatic anti-glare functions and in buildings, blinds or louvers are often used to protect occupants.