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nobody-u-heard-of t1_j1mhs19 wrote

Reply to comment by Lee1070kfaw in LPT - If you have trouble seeing while driving at night shining a keychain light at your steering wheel drastically improves your ability to see the road and oncoming traffic. by Firecrackerbangbang

My guess is that the light interior to your vehicle there basically causes your pupils to close up a little bit. Which is for many people will actually make their vision sharper.

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Comfort_Lettuce t1_j1nuhcq wrote

But that would make it harder to see at night.

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nobody-u-heard-of t1_j1px26t wrote

Yes it does cut light, but sharpens vision. So things in dark would be harder to see, but anything with light would be better

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