At head of title: NRC-CNRC Construction. "NRC No. NRCC-CONST-56644E"--Verso of cover.

Includes bibliographical references (pages 24-26).

"There is a subset of the general population that is subject to health problems triggered by light exposure. This diverse group includes people who experience migraines and those who experience asthenopia, which is a constellation of symptoms of eye fatigue including dry eyes, itchy eyes, blurry vision and headache. For the most part the causes of these problems are unknown and they appear early in life, but these problems can also arise later, for example as a result of traumatic brain injury. Whatever the cause, some of these problems are severe enough in response to common office lighting that the individual seeks a workplace accommodation to ensure a healthful workplace that supports their needs. This investigation is an applied project to seek a lighting design solution that might be an effective intervention across the Government of Canada. In this phase, a small number of light-sensitive individuals will experience the proposed new lighting solution as well as the standard office lighting solution, to test the hypothesis that the new solution provides a more comfortable, healthful, and appropriate workplace"--Introduction, page 1.