LIGHT—A TIME FOR CHANGE TO "RADIANT FLUX," OR MICROWATTS PER SQUARE CENTIMETER (µW/CM2)

[摘要] Some simple therapies are often used but little understood. Anybody using phototherapy should read with care the two articles about light in this issue. That by Drs. MacLeod and Stern calls attention to and documents in the traditional way, using foot candles and a simple light meter, the wide daily and seasonal variations in environmental light conditions that can occur in nurseries. To many, even the term "foot candles" is a new unit with little meaning until recently. If you then turn to the article by Dr. Klein, a photobiologist, you will be convinced that it is not only a very crude, inaccurate way of expressing something important to us all, but it is actually the wrong unit!

[学科分类] 儿科学