overillumination

Noun

overillumination (uncountable)

1. Excess light supplied beyond the amount required for a given task.
2. Wasted light through illumination of an unoccupied space, creating energy wastage.
3. Excessive or annoying light producing glare, annoyance and adverse health effects.
   • The building's architect failed to account for natural light availability and specified more lighting fixtures than needed, resulting in over-illumination and leading to increased headache incidence for some building occupants.