In reduced visibility conditions you need to work especially hard to gather visual information because

you need more time to respond to hazards.

Explanation:

Reduced visibility conditions usually occur when an individual is unable to see clearly while driving due to unfavorable weather conditions such as fog, smoke, rain, twilight and heavy snowballs. In such situations, it is advisable to drive at a safe speed to avoid road accidents. It is best to drive slowly to maintain a stopping distance. The tail light of vehicles serve as a guide for moving cars behind them. When driving at low visibility, extreme caution is paramount. In reduced visibility conditions you need to work especially hard to gather visual information because you need more time to respond to hazards. The use of low beams and fog lights is recommended, and avoid braking suddenly. High beams will cause the reflection of fogs, smoke which can further affect visibility.