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Q: What makes the pupil bigger or smaller?
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When a light is in your eye does you pupil go bigger or smaller?

Smaller because the eye is protecting it's self from the light


What would happen if your pupil did not get bigger or smaller?

your eye would explode


The muscles that cause mydriasis and miosi?

The dilator muscle which makes the pupil larger and the constrictor muscle which makes the pupil smaller.


What is dark round opening at the center of the iris which becomes smaller or bigger?

pupil


Why do your geckos pupils get bigger then get smaller?

The same as ours do... light constricts (smaller), darkness dilates (larger) the pupil.


What happens to your pupil during the day and night?

well,in the day it is smaller,and,in the night,it is bigger


What is the muscle that makes the pupil smaller in bright light?

Smooth Muscles.


What happens to your pupil when you go from a dark room into bright light?

They become bigger and widder


What happened to the pupil of the eye exposed to light?

The iris contracts (gets smaller). If this doesnt happen, its a good indication of head trauma/concussion, etc.


Why do parakeets pupils go small?

its not just parakeets its everyones eyes when light enters the eye the pupil doesnt get bigger its the color around the pupil that gets bigger or smaller the pupil is wut the light goes through. then it reflects againts the back of your eye and that's how you see things


What part of eye makes the pupil smaller in bright light and larger in dim light?

Iris


Why do have color in eyes?

The muscles that make the pupil smaller or bigger, or the retina, contain pigment, and the color of pigment is based on your genes.