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Apr 20, 2017 at 15:13 comment added Frostfyre @AlexP Sorry, meant to say 10% is spent blinking.
Apr 20, 2017 at 14:21 comment added AlexP @Frostfire: "Generally, between each blink is an interval of 2–10 seconds" (Wikipedia). Even allowing for 400 ms blink duration (which does seem excessive), blinking would count for 4% to 20% of the time.
Apr 20, 2017 at 13:13 comment added Frostfyre @Bellerophon It takes 300-400 ms to blink, and the average human blinks 15-20 times per minute, so roughly 90% of a minute is spent blinking.
Apr 20, 2017 at 13:07 comment added Bellerophon @Frostfyre When are the whites not visible? Other than when the eyes are closed.
Apr 20, 2017 at 12:58 comment added Frostfyre What does any of this have to do with specifically red coloring in the eye? (Also, what species are you referring to? Because my sclera aren't always visible. In fact, they're only visible roughly 90% of the time.)
Apr 20, 2017 at 10:05 comment added Warm Shadow This answer seems pretty good to me. Gives enough logical reasoning for designing a creature with red colored eyes etc. The comments above were quite informative as well.
Apr 20, 2017 at 10:01 vote accept Warm Shadow
Apr 20, 2017 at 10:53
Apr 20, 2017 at 9:51 history answered RenegadePizzaGuy CC BY-SA 3.0