Blinking is an instinctive action that can be voluntarily controlled.
There are two reasons we blink. One is that tear drops are used to keep the eyes from drying out. The second is a reaction to an approaching object, shutting the eyes so they aren't injured.
For the physiological mechanism of blinking, see the related link.
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.
The fact is you can go search every where and ask any one but blinking your eyes while you sneeze is a natural body reaction. When you see a bright light you sneeze and your eyes close so that they can shut longer than when you blink so you won't hurt your eyes . As much as you try not to blink you cant because when you sneeze your entire body shuts down for that time so your eyes close as well. Another reason why you naturally blink when you sneeze is that if you did not blink while sneezing, your eyes would pop out.
i have used both Refresh Tears and Blink Tears. The difference i found was: 1. Refresh Tears is very thin and runs down the eyes quickly while applying. But Blink Tears is bit thick and stays in the eyes after application 2. Since RT is thin, the effect of clear vision is only for short time but BT stays for long. 3. RT is not all that effective but BT soothens a lot 4. RT expires within 1 month but BT expires after 45 days.
The best examples of this is to shin a light in one eye and both pupils constrict. You are testing cranial nerve II.Or the corneal reflex (touch one cornea) both eyes blink, a test of CN VII or the palpebral reflex, touch one eye lid or lashes and both eyes blink, another test of CN VII.
Nystagmus is a term used to describe the involuntary flickering or jerking movements of the eyes, which may be a symptom of various medical conditions.
No, because blinking means closing your eyes.So if you blink with your eyes open, than that technically is not blinking.
Yes, Tasmanian devils can blink their eyes.
It's a mAko shark not moko
The future tense of "blink" is "will blink." For example, "I will blink my eyes."
You have to blink or else your eyes will dry out.
"Blinking" is the present participle of the word "blink" - to close and reopen both eyes quickly.
A fish that can blink with both eyes is the four-eyed fish. Although its name suggests that it has four eyes, it actually only has two eyes like other fish, but each eye is divided in two parts allowing it to see above and below the water simultaneously.
when you blink your brain is saying you eyes are dry and something like that
your eyelashes protect your eyes from dust particles. when you blink it's mainly to lubricate your eyes. to add moisture back into your eyes if you didn't blink then your eyes would be very dry.
When your eyes get dry or irritatted.
because you are cleaning your eyes and pathogens are all over and they enter you eyes. when they enter your eyes you n.eed to clean them, so you blink
you must blink your eyes so water in your eye will come and keep the eye from drying