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What is the muscle that makes the pupil smaller in bright light?
Wiki User
∙ 14y ago
Smooth Muscles.
Wiki User
∙ 10y ago
Wiki User
∙ 14y agoretna
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What part of eye makes the pupil smaller in bright light and larger in dim light?
Iris
Time line what makes the light bright?
Light bulb
Why do eyes need bright and dim light?
Eyes do not need bright and dim light - although the iris (colored part of the eye) and pupil (black center of the eye) function differently under these circumstances. In bright light, the muscles in the iris contract to make the pupil smaller. In dim light, the iris makes the pupil enlarge to allow as much of the scarce light as possible.
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 the source of light that makes a day bright?
the sun. DAH!!!
What makes the moon bright?
Moon takes light from the sun and it absorb and reflect so it looks bright.
How do you pupils change in bright light?
The pupil is a little hole in the centre of your eye and when bright light hits the eye the little ring round the eye that can be different colours on different peoples eyes closes over to let les light in. that's why your pupil goes smaller in bright light and when its dark the ring ( iris ) opens wide to try and let more light in.
What is optic sneezes?
When a bright light, like the sun, makes you sneeze.
What makes moons surface appear so bright?
because of the suns bright light shining on the surface of the moon
For the best learning environment should only bright light be used?
You should use light bright enough to see your study material well, but not so bright that it makes a glare and hurts your eyes.
How does the iris control the size of the pupil?
the iris
Why does a red book look black in blue light?
because the light is so bright it makes it look black
