Fluorescent light is the most common source of
lighting today for industry and commerce. The cool white fluorescent tube is the light source of choice for most designers of interior spaces. Fluorescent light is cheap, efficient and long-lasting, and the tubes are available in a wide array of styles and choices, from the common cool white fluorescent tube (4100K and 5000K) to specialty tubes such as plant growth tubes and actinic tubes for aquarium lighting.
Most schools are lit with cool white fluorescent
tubes as well, owing to the qualities of economy and long life they offer. However, recent studies in cellular activity of the human retina indicate cool white tubes or daylight tubes should probably not be considered as a good lighting option for persons with eye disease or eye injury.
When the eye is healthy and carrying on the
process of photoreception, each photoreceptor in the retina does one unit of work for each peak in a
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