Edit: My thought process is that using one eye would still cause enough uncomfortable sensations that closing / squinting both eyes is the only viable option but apparently not. One eye is completely normal and painless.
This happened to me when I was driving the other day and I was worried I’d have to pull over on the highway, but when I closed one eye I was able to see with no pain sensation whatsoever with roughly the same amount of light radiation entering my 👁.
I know it’s technically less light for my brain to process, less intense on the nerve signals firing but I couldn’t intuitively get to the bottom of this because the common person might assume having one eye open could be worse?
In: Physics
Yoir optic nerves absorb light and transmit that to your brain for processing. If you close one and squint the other, you reduce the amount of light, thus processing your brain needs to do. It’s a reflex from the brain processing the data. Same as when something is flying at your face and you close your eyes and look away
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