
218 Light Sources and Health
If someone suffers from photophobia, then medical attention should be sought
in order to nd the cause. To improve the lighting environment for people who
are uncomfortable with certain levels of illumination, dimming/controlled light-
ing systems should be chosen. Halogen and LED systems can be easily dimmed
to any level.
9.8 UV Exposure
As a large number of lamps (uorescent, metal halide, halogen) also emit in the
UV range, care must be taken so that people are shielded from this type of radia-
tion using lters or protective covers. Generally speaking, there is no danger from
uorescent lamps when the exposure ...