How can alcohol affect peripheral vision?

Answer: C — Reduces it

Alcohol can significantly reduce peripheral vision, which is the ability to see objects outside of your direct line of sight. When someone consumes alcohol, it impairs various cognitive and physical functions, including visual perception. This impairment occurs because alcohol affects the brain's ability to process visual information, leading to a narrower field of vision. As a result, drivers under the influence may struggle to observe vehicles, pedestrians, or obstacles that are not directly in front of them. This reduction in peripheral vision can greatly increase the risk of accidents, as vital information about the surrounding environment may be missed. Understanding this effect is crucial for driving safely, as it highlights the dangers of impaired vision when operating a vehicle after drinking.