The eyes constrict, not dilate, when a light is shone into the eye...this is a multi-arc process going through the parasympathetic nervous system and the EW nucleus.
When a light is shinned into one eye, the pupil of the other eye will not change. The only change that will happen is to the eye that has the light in it, the pupil will get smaller.
usually the state of the pupil is determined by the
The pupil decreases in size to lessen the amount of light allowed in, so as to prevent damage.
Our pupils adjust to absorb enough light to see, but not so much that it damages our eyes. So when a bright light is shined in the eye, the pupil closes so that the eye isn't damaged. That's why doctors make you wear sunglasses after they dilate your eyes.
it can be present in young adults simply because they have elevated or higher levels of epinephrine in their blood
reacting when someone flashes his or her hand to your face that includes blinking-------------------------------------------------------A reflex action is a sudden reaction to a stimuli (a change in the environment) & often acts to protect you.Some are controlled by the brain (cranial reflexes) such as when you blink as dust lands in your eye, or your pupil gets smaller as light is shone in your eye.Some reflexes are controlled by the spinal cord (spinal reflexes) such as when you touch a hot object or stand on a pin.Some reflexes can have learnt responses so they are calledconditioned reflexes. These reflexes occur without you even thinking about them e.g. walking & producing saliva when you smell food.
usually the state of the pupil is determined by the
By shining light on other objects.
I don't know
Your mother.
the answer is that i dont know you fool
The pupil decreases in size to lessen the amount of light allowed in, so as to prevent damage.
the light reflects back at you in the direction you shone the ray at
the answer is that i dont know you fool
The various frequencies are separated.
The phrase that means that someone's pupils contract when a bright light is shone into their eyes is "pupils reactive" ... they react to the light. If they don't react to the light, they'd be described as "pupils fixed and dilated."
It travels to the magical land of the fairies
shone is the past tense of shine.The light shines in my window.The light shone on my bed.