Glare is:

• 1The physiological state of the driver resulting from the effect of light on his vision, when the driver is objectively unable to detect obstacles or distinguish the boundaries of road elements at the minimum distance.
• 2The physiological state of the driver resulting from the effect of light on his vision, when for some time the visibility for the driver becomes poor, but he is able to detect obstacles or distinguish the boundaries of road elements at the minimum distance.