What you see is not the raw data coming off your rods and cones. It is that raw information, run through the processor of your brain.
Your brain has a lot of little tricks to refine that data. It filters out info it doesn’t think it will use, such as not seeing your nose. It adjusts for the color shift of light throughout the day. It has a whole mess of facial recognition processors that will do funky things under the right conditions.
You don’t see glare because your brain does pretty well ignoring the flashes and spots, much as it also ignores the flash of black that happens every time you blink.
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