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When driving, what is the primary role of peripheral vision?

I’ve recently switched from contacts to prescription glasses when driving. My vision isn’t bad, but my periphery is still a bit blurry. What is the primary role of peripheral vision when driving?

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Max Werner · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
Oh, no—sorry to hear you’re having trouble focusing on your periphery when driving. But I’m happy to fill you in about the role of peripheral vision when on the road.
Central vision can help us see what lies ahead, but peripheral vision is more sensitive to light and motion. So, the most important role of peripheral vision is to help the driver notice when other vehicles are passing.
Peripheral vision doesn’t require extreme clarity. Prescription glasses should have little impact on the driver’s ability to sense light and motion in their periphery.
Some other roles of peripheral vision when driving are as follows:
  • Identifying potential hazards
  • Noticing drivers in your blind spot
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