Generally, a blind person blinks for the same reason a sighted person blinks. We blink to maintain the moisture in our eyes. They're at the same rate.
the reason they don't blink is because they are blind and they feel their way along with their tongue.
It is certainly impossible not to blink at all for a day but if you did something crazy, like tape your eyes open, you would probably be blind, because considering the sunlight impact on the naked eye and all the other light, when you finally were able to blink you wouldn't be able to see you'll go blind/color-blind.
No... fortunately as we blink so often!
Some do and some don't. Some blind men/women have their eyes completely shut, so they wouldn't have to blink. Some blind men/women have their eyes open, so they would usually blink.
She passed her hand in front of her face and she didn't blink.
No, blinking is an automatic reflex that has no connection to vision. Blind people blink as much as sighted people (unless they are blind because the eyeball itself is missing).
Unlike humans, cats have more effecient tear glands and ducts. Also, they need to see much more when they're hunting, and so they don't blink. They blink about every five minutes.
You can't blink, thus crap gets in your eye and you go blind. I'd call that a disability, wouldn't you?
When you snap or clap in front of they're eyes and they don't blink.If they stare at 1 thing and never blink.
Why would you want the blinker faster. They should blink at factory specs.
No. But you should really blink from time to time.
it might need a new bulb - they often blink when they are about to die.