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The pupil contracts when they are exposed to bright light (ie: the light is off for a period of time and then you turn it on).
Metallic Thunder
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∙ 13y ago
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Why do the pupil contracts and expands?
In dim light, your pupil expands. In bright light, your pupil contracts. Your pupil contracts in bright light because not as much light is needed to see. Same thing with dim light, your pupil expands in dim light because there is more light needed to see. Because there is not as much light in a closet than in an open field your pupil contracts and expands to let in more light or let in less light, depending on were you are at and how dark it is.
A) Size of pupil becomes __________________when you see in dim light?
size of pupil becomes larger when you see in dim light
When substances get cooler they expand or contract?
Contract
Do solid materials expand or contract when frozen?
Contract.
Suppose you are 66.2 cm from a plane mirror What area of the mirror is used to reflect the rays entering one eye from a point on the tip of your nose if your pupil diameter is 5.13 mm?
You will look at the nose to pupil and then nose to real image and you will get 2x 66.2 cm
How does the eye adapt to sudden increase in brightness?
the pupil gets smaller
In a bright light the pupil in your eye will?
When exposed to a bright light, the pupil of the human eye will contract. This action allows less light to come in contact with the lens.
What happens when The radial muscles of the iris contract?
When the eye is stimulated by bright light, the circular muscle of the iris contracts, decreasing the size of the pupil.
Why is the pupil a hole not a solid dot?
Because The purpose of the pupil is to allow light in, depending on whether it is bright, or dark. If it were a solid dot, it would most likely not be able to contract, and so on.
The colored part of the eye that contains muscles to contract or expand the pupil is the?
The colored part of the human eye that controls how much light that passes through the pupil is called the iris.
What part of the eye regulates the amount of light entering?
The iris controls the amount of light that is entering the pupil. When its dark out, the sphincter muscles on the iris ease to dilate the pupil, but when its light out, the sphincter muscles contract to constrict the opening of the pupil.
How do eyes adjust to dull lights?
The radial muscles in the iris contract making the pupil larger letting in more light.
What is the medical term for contraction of the pupil?
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."
Can you see your Eye Pupil get big and then small then so on?
Yes, you can see your pupil get bigger (dilate) and smaller (contract) in response to changes in lighting conditions. The pupil dilates to allow more light into the eye in dim environments and contracts to restrict the amount of light entering the eye in bright environments.
What happens when you cannot open your eyes in the daylight with to much sun?
your iris contract to stop lights entering the pupil/preventing you from going blind.
What is the possessive noun for pupil?
Pupil's The pupil's mother came to school.
What changes in diameter in response to light in the eye?
Your pupil will dilate in low light and constrict in bright light.Answer 2Note that the pupil is just the opening in the iris. Strictly speaking, the iris contracts and so the pupil gets smaller.
