Definitions for "Disability glare"
light that is relatively bright compared to the background, making vision measurably worse. The inability to see clearly as a result of the brightness of headlights from an oncoming car at night is an example.
Excessive brightness from a source of light in the line of sight. Luminaires with poor optical control can be sources of direct glare.
Glare resulting in reduced visual performance and visibility . Often accompanied by discomfort glare.