Chromalux Standard Clear Light Bulb Description: Long Life Average 5000 Hours Natural Balanced Light Chromalux Light Bulbs are long-life light bulbs that offer full spectrum lighting, which closely imitates natural daylight, reduces yellow glare, increases black and white contrast, improves readability, lessens eye strain, and helps promote a sense of well-being. Disclaimer These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease.